能速(单位面积的能通量被能量密度除)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(122) / 评论(0) 分类 TED演讲教育篇

BCF(Boot Catalog File,启动目录文件) BIF(Boot Image File,启动映像文件) CDR(CD Recordable,可记录光盘) CD-ROM/XA(CD-ROM extended Architecture,唯读光盘增强形架构) CDRW(CD-Rewritable,可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(213) / 评论(0) 分类 英文语法词汇

(LOS ANGELES, AP) Allen Iverson shook up the NBA Finals when he scored 48 points in the opener of the series. (美联社洛杉矶电)亚伦.艾佛森在NBA联赛的第一场比赛攻下48分,震撼NBA的总决赛。 The Philadelphia 76ers stunn

发表于:2018-12-28 / 阅读(131) / 评论(0) 分类 赖世雄英语新闻听力通

看到助攻,千万不要受汉语思维影响。助攻很简单,一点都不复杂,不信?看外电一段有关小巨人姚明缺席NBA全明星赛的相关报道: NBA Houston Rockets center Yao Ming will not play in next month's National

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 奥运英语

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(389) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(六)月

One hundred years ago today, September (the) 27th, 1905, a physics paper was dropped into the mail, addressed to a German journal called AT. The paper was penned by a 26-year-old Swiss patent clerk with dark curly hair years before he sprouted that s

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 2005年NPR美国国家公共电台

We have to beat that. 我们必须克服它。 We can do it because in space there are no aerodynamics. 我们能够这样做是因为太空里没有空气阻力。 We can go and use inflatable systems for almost everything. 我们几乎总是能够使

发表于:2019-01-18 / 阅读(102) / 评论(0) 分类 TED演讲商业篇

The explosion generated a shockwave so massive it wasdetected over 15,000 kilometres away. The low-frequency waves were picked up bymonitoring stations. So it is kind of like a listening network around theworld. Thats right. Theyre not set up for fir

发表于:2019-01-23 / 阅读(101) / 评论(0) 分类 探索与发现2014年

LOS ANGELES, March 10 (Xinhua) -- Blake Griffin finished with 22 points and eight rebounds, Chris Paul contributed 20 points with 14 assists as the Los Angeles Clippers handed the Detroit Pistons 5th straight defeat 129-97 on Sunday. The 129 points w

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 英语新闻

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(161) / 评论(0) 分类 英语新闻

By Brian Wagner Key West, Florida 06 March 2008 Researchers in the United States are set to begin testing underwater turbine systems that can produce electricity from ocean water flows. The projects in Florida are the latest efforts to find alternati

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 VOA标准英语2008年(三月)

1. 市况上扬: The market advances/ gains /rises. 2. 市况下挫: The market declines /falls/loses. 3. 市况活跃: The market booms. The market is excited. The market becomes active. The market becomes brisk. 4. 市况暴跌停滞: The m

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 天天商务口语

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示,我国

发表于:2019-02-07 / 阅读(91) / 评论(0) 分类 英语新闻

BEIJING, Jan. 4 (Xinhua) -- Defending champions the Guangdong Hongyuan handed the Beijing Ducks their second home defeat of this season with a 112-99 win in the 20th round of Chinese Basketball Association (CBA) league here on Wednesday. The Beijing

发表于:2019-02-13 / 阅读(113) / 评论(0) 分类 英语新闻

No matter which manufacturer is quickest to gain velocity, Uber, a ride-hailing firm, aims to be at the centre of things. 无论哪家制造商最先让飞行器达到预期的速度,叫车公司优步的目标是成为该产业的核心。 On Apri

发表于:2019-02-16 / 阅读(92) / 评论(0) 分类 经济学人商业系列

The atmospheric pressure as we climb is getting so low 气压在逐渐减小 that without any air supply,I'd be unconscious within 20 seconds. 如果不戴呼吸器 不用20秒我就会休克过去 I have to breathe 100% oxygen to avoid getting nitro

发表于:2019-02-17 / 阅读(121) / 评论(0) 分类 荒野求生

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(165) / 评论(0) 分类 英语新闻

As an overladen Indiaman bearing down the Hindostan coast with a deck load of frightened horses, careens, buries, rolls, and wallows on her way; 如同一只超载的东印度公司贸易船,甲板上装着许多惊惶失措的种马,正在印度斯

发表于:2019-03-10 / 阅读(236) / 评论(0) 分类 白鲸记
学英语单词
2-Methylpropan-2-ol
a piece rate system
albumin layer
antipsoriasis
Apps.
bananner
biconical horn antenna
bohrs
branyan
breathalizer
bynes
cantharus leucotaniatus
carrying capacity of chassis
chilbed
clutch operating device
Cocachacra
Collafirth
de-listing
degenerativedisorder
deterministic expression
dichloro-diphenyl-dichloroethane
digastric nerve
dissymmetric molecule
documenters
Doronicum stenoglossum
dragoonades
electrical discharge arc
emergency exits
excludability
fiftie
fivehour
flat packaging
flying into
gastral mesoblast
go on a ride
grade separations
group move
header-terminal capacitance
heat chemical treatment
Helfo-dopa
hide options
homoioplastic
horizontal batch mixer
horizontal reference
imams
iron cross twin
Jeniang
jinkers
lambda plate
laparocolpohysterotomy
levator muscle of upper lip
liquidation refining
loarte
lunar gravity
manual reset device
Mersey beat
metal halide lamp
misanthropize
multichip integrated circuit
n.s.c
nested conditional expression
neutrophilic sebaceous adenitis
optimal tariff
orbital motions
output wavelength
overall shipping width
oxetorone
oxypropylene
pan drier
Penghu
penicillamine
pericarps
Phallus impudicus
pharmacodiagnosis
photospheric granulation
ping-listen-train method
psychoneuromuscular
rapidoprint
resonant transition
resultsoriented
reversal of vibrations
rhodo-
rosenborgs
rotary air preheater
Roundrobin
rousselot
scoptophile
sling canvas
small trade
stay off
surirella fastuosa cuneata
tension brake-wheel
test OK
touch him
tracking antenna system
triskaidekaphobia
Tungabhadra R.
turn table
two-jaw grab
urioste
us pharmacist
whisk brush