分子轨道对称守恒原理

measurement slave unlimited invert symmetrical lessen lever hip liability overlook thresh tensile vision likeness steady siege fission limp line linear vein commence obscure

发表于:2018-12-01 / 阅读(241) / 评论(0) 分类 用Mp3背六级单词

Chinese Mainland and Taiwan Should Uphold One-China Principle: State Council Ma Xiaoguang serves as a spokesperson for the State Council Taiwan Affairs Office. At a news conference on Wednesday, Ma said the One-China Principle has clearly defined the

发表于:2018-12-02 / 阅读(181) / 评论(0) 分类 2015CRI中国国际广播电台

the Daffodil principle Several times my daughter had telephoned to say, Mother, you must come to see the daffodils before they are over. I wanted to go, but it was a two-hour drive from Laguna to Lake Arrowhead I will come next Tuesday, I promised a

发表于:2018-12-07 / 阅读(317) / 评论(0) 分类 每天一点英文

Broadcast: Jan 02 2003 China has announced it plans to launch its first manned spacecraft in the second half of this year to become only the third country to do so. The news comes as China's fourth un

发表于:2018-12-08 / 阅读(143) / 评论(0) 分类 VOA2003(上)-科技先知

Flawless pearls are among the most symmetrical spheres biological organs. But do they get so round? Turns out they turn. Pearls and mollusks such as oysters create so-called pearls acs around intrusive pieces of grit. The sac coat the yelten with the

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 Scientific American(六)月

Chaotic Orbits Could Cause Catastrophic Collision火星真的会撞地球? Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppo

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 2017年Scientific American(四)月

He is a man of principle. 他是个有原则的人。 注意当中的principle和principal的读音一样的,但拼法就不同,意思都不同,principal是指校长。 principal是一个人,后面又是pal结尾,pal表示好朋友,下面的

发表于:2018-12-25 / 阅读(189) / 评论(0) 分类 蒋健棠英语实用句子

A Stationary Satellite, part 2 A geostationary satellite orbitsthe planet at the same rate as the planet rotates, so the satellite is always over the same patch of ground. Cool! you say. Id like to have one of those about twenty feet over my house. S

发表于:2018-12-31 / 阅读(126) / 评论(0) 分类 英语听力文摘 English Digest

Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 英语语法 Grammar Girl

Comet 彗星 Do you know what a comet is? 你知道彗星是什么吗? A comet is an object in the solar system. 彗星是太阳系中的天体。 It travels around the sun like the planets. 它像其它行星一样绕着太阳转。 Then, why don'

发表于:2019-01-10 / 阅读(141) / 评论(0) 分类 与美国小学生一起学英文第11册

Orbit 轨道 Do you know what an orbit is? 你知道什么是轨道吗? An orbit is the path of a planet when it moves around the sun. 轨道是行星围绕太阳运动的轨迹。 It is similar to a cycling track. 它类似于自行车赛道。 As

发表于:2019-01-10 / 阅读(161) / 评论(0) 分类 与美国小学生一起学英文第12册

Bill Shorten is preparing to sell his policy of reversal on the asylum boat turnback to ALP National Conference. Several Labor MPs have strongly criticized the opposition leader's decision to support the government's turnback policy. Bill Shorten's f

发表于:2019-01-16 / 阅读(124) / 评论(0) 分类 澳洲ABC新闻快递2015年

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

发表于:2019-01-20 / 阅读(128) / 评论(0) 分类 2018年科学美国人5月

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

发表于:2019-01-20 / 阅读(131) / 评论(0) 分类 2018年科学美国人4月

Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of

发表于:2019-01-21 / 阅读(202) / 评论(0) 分类 实用英语

If there's a black hole at the center of our galaxy, that's gonna force these objects that are really close to the black hole to move much faster than they would move if there were no black holes. So the first thing you wanted to see is there are ver

发表于:2019-01-23 / 阅读(120) / 评论(0) 分类 探索与发现2013年

天文学在我们听力讲座里面算是出现频率较高的话题了,在目前所有的176篇讲座里一共有14篇天文学类的文章,且都是比较有难度的,可以说,天文学类算是我们讲座里的一个重点也是难点了。

发表于:2019-02-09 / 阅读(131) / 评论(0) 分类 托福英语

The Power of Beauty 美的力量 1. One of the most successful, influential and 1)beloved women in American history, Eleanor Roosevelt once said that she had one regret: she wished she had been prettier. Who hasn't felt the same way? We are all too 2

发表于:2019-02-16 / 阅读(190) / 评论(0) 分类 英语美文

It was while puzzling over this problem that Bohr was struck by a solution and dashed off his famous paper. Called On the Constitutions of Atoms and Molecules, the paper explained how electrons could keep from falling into the nucleus by suggesting t

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 万物简史

Science and technology 科学技术 Health indicators 健康指标 On the face of it 从表面判断 More evidence that symmetrical features indicate good health 更多证据表明对称容貌显示身体健康 BEAUTY may be in the eye of the beholde

发表于:2019-02-24 / 阅读(234) / 评论(0) 分类 经济学人科技系列
学英语单词
8-track tape
Aguaytia
akwapim
allochthony coal
amianthinopsy
amido black
antero-posteriors
aorta dextra
ash collection
assistest
automobile electronic igniter
be done in
bit plane coding
blowin' chunks
boring heads
bridge-wire
Bunza
Burslem
catchin
chemical and biological warfare
clampdowns
comoves
corelysis
deacylation
dead battery
deturb
dressing-ups
Egyptol.
environmental photobiology
family of predicate
Felis silvestris
fender log
finger citron sliced
fresh water capacity
garbage collection
haul at
hcjb
hepaticocholangiojejunostomy
high-hole
horton-in-ribblesdale
hydrobiosids
hydrothermal genesis
imam
imnaha
jet off
ladara
Lai Chi Kok
leave something off
line check valve
lubors
maintenance of free trade
maximum cleanup width
metalanguages
mine winch
molding allowance
natural condition test
nickelbased alloy
nouman
octahedral satellite
office automation system
outward bounder
packing charge
pestalotia kawakamii saw.
pick a lock
pikeheads
plainmoors
plastic/metal composite (pmc)
platform pileless
pole clearance
portovenography
proietti
pseudonymph
pubifolius
quinism
reaction water-turbine
record of achievement
relative fluctuation
rhomboid lanceolate
sandwich batten
Schiassi's operation
Seventh Decennial
short cell
starch-oil size
suffix operator
suffragation
super-radiator
supersexuality
talk a mile a minute
tamboti
tazumal
thermit collar
thrown yourself upon
toluidine blue
treble plain
triceratium affine
unparegal
used-to-be
uteteritis
viloria
Vrensted
water-monkey
Wayne Gretzky