flutter加載h5很卡

flutter加載h5很卡的解決方法如下：

10年積累的成都做網(wǎng)站、網(wǎng)站制作、成都外貿(mào)網(wǎng)站建設(shè)經(jīng)驗(yàn)，可以快速應(yīng)對(duì)客戶對(duì)網(wǎng)站的新想法和需求。提供各種問(wèn)題對(duì)應(yīng)的解決方案。讓選擇我們的客戶得到更好、更有力的網(wǎng)絡(luò)服務(wù)。我雖然不認(rèn)識(shí)你，你也不認(rèn)識(shí)我。但先網(wǎng)站設(shè)計(jì)制作后付款的網(wǎng)站建設(shè)流程，更有榆次免費(fèi)網(wǎng)站建設(shè)讓你可以放心的選擇與我們合作。

一種臨時(shí)解決方案，在切換動(dòng)畫加載完畢后，再去構(gòu)造 WebView，這樣從用戶角度上看，就不會(huì)有路由切換動(dòng)畫的卡頓了。class WebViewPage extends StatefulWidget {undefined

final String uri;

WebViewPage({undefined

@required this.uri,

}) : assert(uri != null);

@override

_WebViewPageState createState() = _WebViewPageState();

}

class _WebViewPageState extends State {undefined

WebViewController _controller;

bool _animationCompleted = false;

@override

Widget build(BuildContext context) {undefined

// 主要是下面的代碼

var route = ModalRoute.of(context);

if (route != null !_animationCompleted) {undefined

void handler(status) {undefined

if (status == AnimationStatus.completed) {undefined

route.animation.removeStatusListener(handler);

setState(() {undefined

_animationCompleted = true;

});

}

}

route.animation.addStatusListener(handler);

}

return Scaffold(

title: widget.title,

backgroundColor: Colors.white,

body: _animationCompleted

? WebView(

initialUrl: 'about:blank',

onWebViewCreated: (WebViewController webViewController) {undefined

_controller = webViewController;

_loadHtmlFromAssets();

},

)

: Container(),

);

}

_loadHtmlFromAssets() async {undefined

var uri = Uri.dataFromString(

await rootBundle.loadString(widget.uri),

mimeType: 'text/html',

encoding: Encoding.getByName('utf-8'),

).toString();

_controller.loadUrl(uri);

}

}

Fluent是目前國(guó)際上比較流行的商用CFD軟件包，在美國(guó)的市場(chǎng)占有率為60%，凡是和流體、熱傳遞和化學(xué)反應(yīng)等有關(guān)的工業(yè)均可使用。

它具有豐富的物理模型、先進(jìn)的數(shù)值方法和強(qiáng)大的前后處理功能，在航空航天、汽車設(shè)計(jì)、石油天然氣和渦輪機(jī)設(shè)計(jì)等方面都有著廣泛的應(yīng)用。

FLUENT軟件包含基于壓力的分離求解器、基于密度的隱式求解器、基于密度的顯式求解器，多求解器技術(shù)使FLUENT軟件可以用來(lái)模擬從不可壓縮到高超音速范圍內(nèi)的各種復(fù)雜流場(chǎng)。

FLUENT軟件包含非常豐富、經(jīng)過(guò)工程確認(rèn)的物理模型，由于采用了多種求解方法和多重網(wǎng)格加速收斂技術(shù)，因而FLUENT能達(dá)到最佳的收斂速度和求解精度。

靈活的非結(jié)構(gòu)化網(wǎng)格和基于解的自適應(yīng)網(wǎng)格技術(shù)及成熟的物理模型，可以模擬高超音速流場(chǎng)、傳熱與相變、化學(xué)反應(yīng)與燃燒、多相流、旋轉(zhuǎn)機(jī)械、動(dòng)/變形網(wǎng)格、噪聲、材料加工等復(fù)雜機(jī)理的流動(dòng)問(wèn)題。

關(guān)于美國(guó)俚語(yǔ)？

airhead: stupid person.

ace: excellent, great.

Adam and Eve - Rhyming Slang for 'believe'

aggro - short for aggravation or violence

amber fluid : beer

anorak - geek, nerd.

apples and pears - Rhyming Slang for 'stairs'.

armpit: dirty, unappealing place.

arse / ass [slightly offensive] (1): backside.

arse / ass (2): an unworthy person.

arse about/arsing about - to fool around

arse-about-face: something that is in a mess or crooked

arseholed: very drunk

arvo : afternoon

Aussie : Australian

awesome: great and impressive.

backhander (1): a payment given, normally in a secretive fashion.

backhander (2): hit someone.

ball (1): a fun time.

ball [slightly offensive] (2): a testicle.

ballistic - to go mad with rage

bang [slightly offensive](1): to make love

bang (2): a powerful effect.

banged up - to be put in prison.

bangers - another name for sausages.

barbie : barbecue, grill.

barf (1): vomit.

barmy - a foolish person, mad.

barney - row, violent argument.

beans: money.

beast [offensive] - an ugly woman.

beat: tired.

beemer: a BMW.

bent (1): a 'gay man'

bent (2): 'stolen'.

biggie: something important.

biker: a motorcycle rider.

bikkie : biscuit

bimbo - a young woman considered sexually attractive but of limited intelligence.

bird - woman/girl/girlfriend

bitch [offensive] (1): a very unpleasant woman.

bitch [offensive] (2): complain.

bitchy [slightly offensive]: moody.

bitzer : mongrel dog (bits of this and bits of that!).

bladdered - very drunk

blag - a robbery

bloke - man

blotto - 'very drunk'

blue (1) - XXX; dirty, hot, steamy, pornographic

blue (2): domestic fight or row.

bluey - pornographic film

boat race - Rhyming Slang for 'face'.

bod: body.

bonkers; go bonkers: crazy.

bonzer : great.

booboo: a mistake.

bovver - trouble, usually fighting.

booze: alcohol.

boozer (1): a pub

boozer (2): someone who likes alcohol.

Brahms and Liszt - Rhyming Slang for 'pissed' (drunk).

brass monkeys - cold weather

bread: money.

brew (1): tea or coffee.

brew (2): beer.

brill - short for 'brilliant'.

bull: bullshit; lie.

bullshit [offensive]: lie; dishonesty.

bugger - a mild form of abuse or an exclamation.

bunk-off - to be absent without permission

bunk-up - to make love.

bushed: extremely tired.

butt: the buttocks, bottom.

cabbage - someone who is a bit slow or stupid

cakehole - mouth..

catch some rays: get some sunshine.

char / cha - tea.

cheesy: cheap; lacking in good taste.

chicken: coward.

chook : a chicken

chuck up: vomit

chuck a sickie : take the day off sick from work when you're perfectly healthy.

ciggy - slang for cigarette.

cock and bull story - a rubbish story, nonsense.

(to) cop it - to die, to get into trouble.

cool: excellent; superb.

cooler, the: gaol; jail; prison

couch potato: a person who watches too much television.

cozzie : swimming costume

cranky : in a bad mood, angry.

crap [slightly offensive] (1): something worthless.

crap [offensive] (2): excrement.

crap [slightly offensive] (3): falsehoods and lies.

crikey - an expression of astonishment.

crust - money / wage.

cushy - easy.

dead cert - something that is definite.

deck: to hit someone.

dicey: unpredictable; risky.

dickhead [slightly offensive] - an idiot, fool.

dill : an idiot.

ding-dong - argument or fight.

dipstick - idiot, fool.

dirt: extremely bad person.

dirty: offensive; pornographic.

div/divvy - stupid or slow person.

doodle - something thats easy / no problem.

dodgy - dubious person or thing.

dog [offensive] - an ugly girl.

done over - beaten up

dope - a slow or stupid person.

doobry - a nonsensical word used when you forget the name of something

dorky: strange; peculiar.

dosh - money.

dosser - down-and-out, tramp.

down under : Australia and New Zealand.

Drongo : a dope, stupid person.

dude: a male.

dump [slightly offensive] - to defecate.

dyke [offensive] - lesbian.

dynamite: powerful; excellent.

dinosaur: something out of date or old fashioned.

earbashing : nagging, non-stop chatter.

evil: great; excellent.

eyeball: to stare long and hard at someone or something.

eyepopper: something or someone visibly astounding.

fab: fabulous.

face-off: confrontation.

fag [offensive] (1): homosexual

fag (2): cigarette

family jewels - Rhyming Slang for testicles.

far out - splendid.

fart [offensive] (1): an escape of gas from the bowels.

fart [slightly offensive] (2): an unpleasant person

fat head - an idiot or dull person.

fender-bender: small accident.

filth [offensive] - the police.

fit - sexually attractive.

five finger discount - shoplifting.

flaky: unpredictable.

flashback: sudden memory.

flick (1): film; movie.

flick (2): to give something or somebody the flick is to get rid of it or him/her

floating : intoxicated

floozie - a mistress or girlfriend.

flommox - confuse

flutter - a bet (on horse racing or football)

footie - Abbreviated form for football.

for crying out loud ! - a expression of frustration or anger.

forty winks - a short sleep or nap.

fox: attractive, alluring person.

freebie: something that does not cost money.

French kiss : kissing with the tongue.

full monty - 'the whole lot', everything.

full-on - powerful, with maximum effort.

funny farm - mental hospital or institution.

funny money - counterfeit money.

gaff - house or flat.

gander - to look at.

geek: an unattractive person who works too hard.

get it: to understand something.

glitch: flaw.

gobshite [offensive] - someone who talks rubbish all the time.

go bananas: go slightly mad.

good onya : good for you, well done

goof (1): make a mistake.

goof (2): a silly and foolish person.

goof off: waste time.

goof up: make a mistake.

goofy: silly.

Gordon Bennet - an exclamation.

grand: one thousand dollars.

grass: marijuana.

greaser - slang name for a 1950's style man.

grog : alcohol, beer.

grub: food.

grubby: not clean.

grungy: unclean and stinky.

gut: a person's stomach; belly.

guts: courage.

gyno - gynaecologist

hacked off - fed up, annoyed.

hairy: difficult; dangerous.

ham-fisted - clumsy.

hammered - drunk.

handcuffs: an engagement ring or wedding ring

hang a left: make a left turn.

hang a right: make a right turn.

headcase - mad

hep: sensible; informed.

her ('er) indoors - wife, girlfriend.

hickey: a love bite on the skin.

hip: sensible; informed.

hole in the wall - a cashpoint machine or bankomat.

hoo-ha - trouble; commotion.

hooker: prostitute.

horny: in the mood for sex, sexually stimulated;.

hot (1): sexy.

hot (2):popular.

hottie : hot water bottle

huff - bad mood.

humungous: really big.

hump (1) - to have sex.

hump (2) - bad mood.

hyper: overly excited.

icky: unpleasant.

I.D.: identification.

iffy - dubious, doubtful.

I'm outta here: I'm leaving; I'm departing.

in: fashionable.

ivories: teeth.

jack around: waste time.

jam (1): trouble.

jam (2): improvise (musically).

jamming, to be : going well.

jammy - lucky.

jerk: stupid or annoying person.

jock: someone good at sports.

K : a thousand.

keep your hair on - "keep calm".

kick back: relax and enjoy.

kick the bucket: die.

kip - sleep.

knackered - exhausted.

knees up - party.

knock: condemn, criticise.

knockout: beautiful woman; handsome man.

knock back : refusal (noun), refuse (transitive verb)

kook: peculiar person.

kraut [slightly offensive] - German

laid back: relaxed; calm.

lairy - loud, brash.

lame: incompetent.

legless - very drunk.

limp wristed - a gay man.

lip: cheeky talk.

loaded - someone with a lot of money.

loo : toilet

loser: a bungling and worthless person.

lost the plot - crazy/mad.

love handles: excess fat around the waist.

luvverly jubberly - wonderful, great, all is well.

make waves: cause problems.

malarkey - nonsense.

mate - friend

max, to the : maximum.

mega: big.

megabucks: a large amount of money.

mellow: relaxed.

mickey-mouse: unimportant; time-wasting.

minger [offensive] - an unattractive person (usually female).

mongrel : despicable person

moonie [offensive!] - to show one's bottom (arse) to unsuspecting onlookers.

moose [offensive] - an ugly girl.

mozzie : mosquito

mug : a gullible person.

naff - something which is cheap and nasty.

naff off - a milder version off fu*k off.

nancy (nancy boy) - a homosexual.

nark - a police informer.

narked - to be annoyed.

neat: cool; great.

nick - to steal.

nipper - a small child.

no-hoper - somebody who'll never do well

nosh - food.

not cricket - not normal or correct.

not all there - someone who is stupid, not bright intellectually

not half! - cetainly, for sure.

not the full quid - someone who is stupid, not bright intellectually.

nuke (1): nuclear weapon.

nuke (2): destroy; delete.

nuke (3): cook something in the microwave oven.

nut (1): odd or crazy person.

nut (2): someone passionate about something.

nutter - crazy person.

nuts [slightly offensive]: testicles.

nutty - eccentric.

off your face - to be very drunk.

out of your tree - crazy, drunk or stoned.

pad: someone's home.

pants (1) - an exclamation of frustration.

pants (2) - bad or rubbish.

party: celebrate.

party animal: someone that loves parties.

paws: hands.

peanuts: very little money.

pee: to urinate.

pickled: drunk.

pig out: eat too much.

pigs ear: to make a mistake with something.

piss [slightly offensive] - to urinate.

pissed - drunk.

pissed (off): angry; upset.

piss-head - a habitual drinker or alcoholic.

piss-up - a big drinking session.

plank - an idiot.

plastered: drunk.

plonker - an idiot

pad: someone's home.

plonk (1) : cheap wine

plonk (2): sit down - as in "plonk your arse down there".

poop [offensive]: defecation; shit.

poop out: get tired and quit.

postie : postman

pot: marijuana.

prezzy : present, gift

pro - someone who's good at something; professional.

psycho: crazy person.

puke: vomit.

pumped (up): excited.

queer [slightly offensive] - a homosexual.

rabbit - talk.

racket (1): noise.

racket (2): an occupation.

racket (3): something that's dishonest or deceptive.

rat: a despicable person.

rat-arsed - drunk.

rear (end): buttocks.

(a) riot - something or someone very funny.

rip off (1): stealing.

rip off (2): fraud.

ripper : great, fantastic

rocking: great; excellent.

roll up - a hand rolled cigarette.

rosie lee - tea

rubbish: nonsense; not true.

ruck - a fight.

rug - wig, toupee.

rug rat: a child.

rum - odd, strange.

runs, the: diarrhoea.

scoff: to eat.

screw up: to make a mistake.

screw-up: a person who makes a mistake.

scum (offensive] - a despicable individual.

shades - sunglasses.

shag [slightly offensive] - to make love.

shagged-out - to feel tired.

shed-load - a huge amount.

shite - milder variation of the word shit.

shitfaced [slightly offensive] - very drunk.

shithead [slightly offensive]: a stupid, impolite person.

skint - to have no money

skosh - a little bit.

slapper [offensive] - a loose or easy woman.

smeghead - an idiot.

snog - to kiss

snookered: cheated, stuck.

solid (1): really good; cool.

solid (2): consecutive.

specs: eyeglasses.

split: to leave.

spunk [offensive] (1): semen

spunk (2): spirit.

spunk (3): an attractive man.

stoned: drunk from drugs or alcohol.

stunner - a very good looking woman.

street smart: knowledgeable about city life.

strewth : exclamation

(I'll be) stuffed : expression of surprise

suck: to be bad and unacceptable.

sunnies : sunglasses

swagman : tramp

sweet - excellent, cool.

ta - thanks.

tacky - something of poor taste or style.

tanked (up) - to get very drunk.

tea leaf - Rhyming Slang for thief.

telly - television.

thick as shit [offensive]- very stupid.

thick as two short planks [offensive] - very stupid.

thingo : Wadjamacallit, thingummy, whatsit, something you don't know the name of!

thou: thousand.

threads: clothing.

ticker (1): the heart.

ticker (2): a watch.

tiddly - slightly drunk.

toss-pot [slightly offensive] - idiot.

totally: really; completely.

to the max: maximum.

troll - an ugly girl.

(the) trots - diarrhoea.

trouble and strife - Rhyming Slang for 'wife'.

trout [offensive] - unattractive woman

turkey (1): failure; flop.

turkey (2): dumb person.

turn-off: something that repulses a person.

umpteen: many; countless.

up for it - to be willing to have a good time.

up the duff - to be pregnant.

Uncle Tom Cobley and all - a phrase meaning 'everyone'.

uptight: nervous; anxious.

veg out : relax in front of the TV (like a vegetable)

wad: a lot of money.

wanker - an idiot or an unpleasant person.

wasted: killed.

weed (1): marijuana.

weed (2): someone who is weak.

wheels: car; motorcycle.

whiz: someone who shows a special talent for something.

wicked - excellent, cool.

wimp: weak; feeble.

wimpy: weak.

wind up - to tease.

winks: sleep.

wuss : coward

x-rated - pornographic.

yabber : talk (a lot)

Yank: an American.

yob - a horrible or uncouth young man.

zeds - sleep.

zero - an unimportant person.

zilch - nothing

zip (1) -nothing.

zip (2) - energy; vigor.

zip it - shut up.

zit: pimple; acne.

蘋果在為“人工智能”不停收購(gòu)， 誰(shuí)能再做一個(gè)谷歌與Facebook在人工智能方面的收購(gòu)清單？

在通往人工智能的路上，Google一直在不停地買買買。而且Google在人工智能領(lǐng)域的收購(gòu)其實(shí)從2006年就開始了。

DeepMind（2014年1月26日被Google收購(gòu)）

Deepmind可以說(shuō)是當(dāng)下最火的人工智能初創(chuàng)公司，于2014年1月26日被Google收購(gòu)。

雖然被谷歌收購(gòu)，但是DeepMind一直是獨(dú)立運(yùn)營(yíng)的，他們的目標(biāo)是開發(fā)能夠“獨(dú)立思考”的軟件。為了能夠開發(fā)這種類型的人工智能軟件，DeepMind在海量數(shù)據(jù)集合的幫助下使用機(jī)器學(xué)習(xí)等技術(shù)訓(xùn)練自己的人工智能去完成某些工作任務(wù)。

api.ai（2016年9月19日被Google收購(gòu)）

api.ai的API可以透過(guò)語(yǔ)音辨識(shí)、意圖辨識(shí)和上下文語(yǔ)境理解等技術(shù)，讓電腦理解人類語(yǔ)言并轉(zhuǎn)換為行動(dòng)，協(xié)助開發(fā)者打造類似Siri的對(duì)話式智慧助理，可用于聊天機(jī)器人、App、智慧家電等。

api.ai已經(jīng)證明他們可以協(xié)助開發(fā)者設(shè)計(jì)、開發(fā)和不斷改進(jìn)會(huì)話式界面。超過(guò)6萬(wàn)名開發(fā)者正使用API.ai的工具開發(fā)會(huì)話式體驗(yàn)。api.ai提供了業(yè)界領(lǐng)先的會(huì)話式用戶界面平臺(tái)，能夠協(xié)助谷歌指導(dǎo)開發(fā)者持續(xù)開發(fā)優(yōu)秀的自然語(yǔ)言界面。

Moodstocks（2016年7月6日被Google收購(gòu)）

Moodstocks公司成立于2008年，作為一個(gè)小的創(chuàng)業(yè)公司，他們的規(guī)模并不大。

Moodstocks公司是以圖像識(shí)別技術(shù)為主，并推出了智能手機(jī)的圖像識(shí)別應(yīng)用程序Moodstocks Notes。在加入谷歌在巴黎的研發(fā)團(tuán)隊(duì)之后，他們將繼續(xù)研發(fā)自己的視覺圖像識(shí)別工具。

Dark Blue Labs（2014年10月23日被Google收購(gòu)）

Dark Blue Labs是一家深度學(xué)習(xí)公司，主要從事數(shù)據(jù)架構(gòu)以及算法開發(fā)工作，被收購(gòu)后并入DeepMind。

Jetpac（2014年8月17日被Google收購(gòu)）

總部位于舊金山的Jetpac通過(guò)Instagram等社交圖片分享工具制作城市導(dǎo)游服務(wù)。通過(guò)分析食品、裝飾和人物圖片，Jetpac的軟件便可對(duì)城市的各種特點(diǎn)進(jìn)行分析。

Jetpac被收購(gòu)前有三款智能手機(jī)應(yīng)用，包括一款城市導(dǎo)游助手、一款圖片分析器和一款圖片探測(cè)工具，被收購(gòu)后并入Picasa中。

Emu（2014年8月6日被Google收購(gòu)）

Emu是一個(gè)類似語(yǔ)音助手Siri但卻是“通過(guò)文本消息服務(wù)的內(nèi)置助手”。

它整合了類似Siri個(gè)人助理的功能，將會(huì)根據(jù)你的聊天記錄，自動(dòng)執(zhí)行移動(dòng)助理的任務(wù)。比如自動(dòng)建立日程、設(shè)置時(shí)間提醒、甚至還能幫你預(yù)定餐館。

Emu被Google收購(gòu)后主要用于Google Hangouts以及Google Now中。

Flutter（2013年10月2日被Google收購(gòu)）

Flutter2010年底由Navneet Dalal和Mehul Nariyawala創(chuàng)辦，利用計(jì)算機(jī)視覺技術(shù)結(jié)合手勢(shì)監(jiān)測(cè)識(shí)別技術(shù)，使得用戶可以用簡(jiǎn)單的手勢(shì)來(lái)操控電腦和移動(dòng)設(shè)備。

Flutter被Google收購(gòu)后主要應(yīng)用在Android以及Google X項(xiàng)目中。

Wavii（2013年4月23日被Google收購(gòu)）

Wavii是一家成立于2009年3月的自然語(yǔ)言處理技術(shù)公司，總部位于西雅圖。

Wavii主要做的是掃描網(wǎng)絡(luò)、尋找新聞、然后進(jìn)行總結(jié)，并附上文章來(lái)源的全文鏈接。

Wavii被Google收購(gòu)后主要應(yīng)用在Google Knowledge Graph（Google知識(shí)圖譜）中。

DNNresearch（2013年3月12日被Google收購(gòu)）

DNNresearch公司是由深度學(xué)習(xí)大神Geoffrey Hinton與他的兩個(gè)研究生Alex Krizhevsky和Ilya Sutskever成立。由于谷歌在本次收購(gòu)中沒(méi)有獲得任何實(shí)際的產(chǎn)品或服務(wù)，所以本次收購(gòu)實(shí)際上屬于人才性收購(gòu)，收購(gòu)的主體是為了這三人團(tuán)隊(duì)。

Viewdle（2012年10月1日被Google收購(gòu)）　

Viewdle是一家成立于2006年的烏克蘭公司，被收購(gòu)前主要做的是增強(qiáng)現(xiàn)實(shí)和面部識(shí)別。

Viewdle曾經(jīng)推出的應(yīng)用包括SocialCamera和Third Eye，Social Camera是其推出的首款應(yīng)用，用戶只需通過(guò)Faceprint教會(huì)你的相機(jī)識(shí)別好友，此后只要照片中出現(xiàn)了這些好友，SocialCamera就可以自動(dòng)為他們打上標(biāo)簽。

Viewdle被Google收購(gòu)后主要應(yīng)用在Android中。

Clever Sense（2011年12月13日被Google收購(gòu)）

Clever Sense是本地推薦應(yīng)用Alfred的開發(fā)商。Alfred的獨(dú)特之處在于它將人工智能和機(jī)器算法有機(jī)結(jié)合，為用戶提供個(gè)性化的場(chǎng)所推薦，推薦的場(chǎng)所包括附近的餐館、咖啡廳、酒吧和夜店。

Clever Sense被Google收購(gòu)后主要應(yīng)用在Android中。

PittPatt（2011年7月23日被Google收購(gòu)）

PittPatt是一家由卡耐基梅隆大學(xué)孵化的專注于人臉識(shí)別和模式識(shí)別公司，其開發(fā)了一項(xiàng)能在照片、視頻和其他媒介之中識(shí)別匹配人臉的技術(shù)，創(chuàng)造了一系列人臉檢測(cè)、跟蹤和識(shí)別的算法。

PittPatt的人臉檢測(cè)和跟蹤的軟件開發(fā)工具包（SDK）能在照片中確定人臉的位置，在視頻中跟蹤人臉的移動(dòng)情況。

PittPatt被Google收購(gòu)后主要應(yīng)用在Android中。

SayNow（2011年1月25日被Google收購(gòu)）

SayNow是一家成立于2005年的語(yǔ)音識(shí)別公司，總部位于美國(guó)加州帕羅奧托(Palo Alto)市。

SayNow的平臺(tái)可將語(yǔ)音通訊、一對(duì)一通話和集團(tuán)通話整合到Facebook和Twitter等社交網(wǎng)站，以及Android和iPhone手機(jī)應(yīng)用中。

SayNow被Google收購(gòu)后主要應(yīng)用在Google Voice中。

Phonetic Arts（2010年12月3日被Google收購(gòu)）　

Phonetic Arts公司是一家位于英國(guó)的語(yǔ)音合成技術(shù)廠商。被Google收購(gòu)前Phonetic Arts公司的語(yǔ)音合成技術(shù)主要用在游戲中，但谷歌希望將該技術(shù)用于其電腦聲音自動(dòng)輸出系統(tǒng)，以使機(jī)器合成的人聲更像人類的聲音以及更加流利。

Phonetic Arts被Google收購(gòu)后主要應(yīng)用在Google Voice和Google Translate中。

Metaweb（2010年7月16日被Google收購(gòu)）

Metaweb是一家從事語(yǔ)義搜索（Semantic Search）技術(shù)開發(fā)的風(fēng)險(xiǎn)企業(yè)，目標(biāo)是開發(fā)用于Web的語(yǔ)義數(shù)據(jù)存儲(chǔ)的基礎(chǔ)結(jié)構(gòu)。

Metaweb被Google收購(gòu)后主要應(yīng)用在Google Search中。

Neven Vision（2006年8月15日被Google收購(gòu)）

這個(gè)可以說(shuō)是Google最早在人工智能領(lǐng)域的收購(gòu)了，可以追溯到2006年。

Neven Vision是一家圖像識(shí)別技術(shù)公司，其能自動(dòng)從圖片里提取信息、并且辨認(rèn)圖片的內(nèi)容，被收購(gòu)前主要應(yīng)用于手機(jī)以及美國(guó)政府和執(zhí)法部門的計(jì)量生物學(xué)應(yīng)用中。

Neven Vision被Google收購(gòu)后主要應(yīng)用在Picasa以及Google Goggles中。

美國(guó)高校高水平游泳隊(duì)常用蛙泳技術(shù)訓(xùn)練方法是什么？

國(guó)內(nèi)高校游泳教練員在蛙泳技術(shù)訓(xùn)練上,要多運(yùn)用分解技術(shù)練習(xí),發(fā)散思維,設(shè)計(jì)更多不同的練習(xí)手段,讓訓(xùn)練內(nèi)容更豐富,調(diào)動(dòng)運(yùn)動(dòng)員的積極性,使其更好地了解掌握技術(shù)動(dòng)作,提高訓(xùn)練實(shí)效性。針對(duì)國(guó)外的各種水下輔助工具,可以在了解其特性的基礎(chǔ)上,加以改進(jìn)借鑒,得出屬于我國(guó)自有研發(fā)的游泳輔助訓(xùn)練器材,進(jìn)而推動(dòng)國(guó)內(nèi)高校游泳市場(chǎng)的需求,也為國(guó)內(nèi)高校游泳隊(duì)提供一定先進(jìn)性、科學(xué)性的訓(xùn)練保障。

一，美國(guó)高校高水平游泳隊(duì)常用蛙泳技術(shù)訓(xùn)練方法

(1)三次蛙泳腿一次蛙泳手(3kick-1 pull breast),低頭,兩臂夾緊并攏伸直,蹬壁出發(fā),要求蹬三次蛙泳腿劃一次蛙泳手的節(jié)奏完成動(dòng)作,重點(diǎn)要求運(yùn)動(dòng)員上身保持流線型,兩臂與髖部,不要上下晃動(dòng),保持穩(wěn)定。訓(xùn)練中分解練習(xí)的蹬腿次數(shù)可以針對(duì)試用與不同的運(yùn)動(dòng)員,能力越高的隊(duì)員可以加大蹬腿次數(shù)與劃臂的配合,反之,相對(duì)減少。

(2)蛙泳劃手蝶泳打腿(br w/dolphin kick),要求運(yùn)動(dòng)員按照一次蛙泳手,一次蝶泳腿的節(jié)奏進(jìn)行練習(xí),其目的是控制身體流線型,保持游進(jìn)的穩(wěn)定性。訓(xùn)練中也可增加難度,如把頭抬起,一直保持在水面;蛙泳腿、蝶泳腿交替等訓(xùn)練手段,后者可加強(qiáng)糾正蛙泳收腿動(dòng)作。值得注意的是,通過(guò)對(duì)主教練團(tuán)隊(duì)的訪談得知,國(guó)內(nèi)蛙泳訓(xùn)練常見的一次蛙手兩次蝶腿的技術(shù)動(dòng)作,在國(guó)外比較少用,因從蛙泳技術(shù)動(dòng)作的結(jié)構(gòu)而言,如采用兩次腿一次手的技術(shù)練習(xí),會(huì)間接破壞身體游進(jìn)的流線型,從而達(dá)不到此練習(xí)方法的效果。

(3)蛙泳劃手自由泳打腿(br w/flutter kick),要求運(yùn)動(dòng)員按照一次蛙泳劃手,六次自由泳打腿的節(jié)奏進(jìn)行練習(xí),其目的是為了控制運(yùn)動(dòng)員上身及手臂劃動(dòng)后保持身體在水中的流線型。其中要注意自由泳打腿的次數(shù)取決于劃幅與劃頻,越快越好,持續(xù)不間斷,如能完成每次劃手動(dòng)作配合6～8次的打腿,效果會(huì)更好。

二， 蛙泳技術(shù)動(dòng)作的水下輔助工具訓(xùn)練方法

阻力襪是類似一個(gè)網(wǎng)袋狀套在運(yùn)動(dòng)員雙腳上,其分有大、中、小等型號(hào),以此來(lái)增加雙腳的動(dòng)作阻力,此輔助工具適用于蛙泳腿部技術(shù)動(dòng)作的練習(xí),一般采用小號(hào),在加大阻力的基礎(chǔ)上,讓運(yùn)動(dòng)員提高腿部的收蹬頻率,快速的完成技術(shù)動(dòng)作。對(duì)國(guó)內(nèi)的各高校教練員訪談中得知,現(xiàn)下國(guó)內(nèi)各高校游泳隊(duì)在游泳輔助工具中,針對(duì)上肢練習(xí)的種類較多,像陸上有各種拉力器材,水中也有不同類型的劃水掌運(yùn)用在不同的技術(shù)練習(xí)中,但對(duì)腿部的水中輔助練習(xí)方法還比較缺乏,為此,筆者認(rèn)為,這方面值得我們學(xué)習(xí)與借鑒。

文章題目：美國(guó)flutter,美國(guó)Fluterscooter
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