恆偏反射镜

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(163) / 评论(0) 分类 数学英语

Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

发表于:2018-12-11 / 阅读(149) / 评论(0) 分类 万花筒2008年

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(四)月

能言善辩的口语句型和对话 能言善辩 Are you worrying about the non-execution of the contract and non-payment on our part? 你是否担心我们不履行合同或者拒不付款? Of course not!当然不! We must observe the contrac

发表于:2018-12-26 / 阅读(132) / 评论(0) 分类 天天商务口语

My Wagon Instead of an established home, my parents gave me something better:a gypsy wagon, so that I could make my home wherever I might be. My father built with boards of art, music, adventure, and deviation from the norms of society. My mother u

发表于:2019-01-01 / 阅读(229) / 评论(0) 分类 英语沙龙

So thank goodness for atoms. 所以,谢天谢地,有了原子。 But the fact that you have atoms and that they assemble in such a willing manner is only part of what got you here. 不过,有了原子,它们心甘情愿地聚集在一起,这只

发表于:2019-01-01 / 阅读(165) / 评论(0) 分类 万物简史

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 60秒科学

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 电信英语

为实现自己的留学之梦,无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 GRE英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics. In the early 1960s, Yoichiro Nambu of

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(十)月

The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

发表于:2019-01-10 / 阅读(174) / 评论(0) 分类 英文摇滚歌曲

Young men will go to great lengths, 年轻人对这种刺激。 to have that experience. 的感受更加深刻。 It's wired into us. 这种感觉输入到我们体内。 It's hormonally supported. 伴随着激素的作用。 The mortality rate for y

发表于:2019-01-18 / 阅读(120) / 评论(0) 分类 TED演讲娱乐篇

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(173) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(135) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(165) / 评论(0) 分类 VOA常速英语2007年(十一月)

Millions of voters are streaming to the polls across Myanmar in the first relatively free election in a quarter of a century. Voters had lined up long before the polls opened Sunday to cast their ballots. The chief EU election observer in the country

发表于:2019-02-04 / 阅读(131) / 评论(0) 分类 英语新闻

金融英语考试辅导:常见保险条款英语(1) 保险条款1 (1)air transportation cargo insurance clauses. 航空运输货物保险条款 (2)air transportation cargo war risk clauses. 航空运输货物战争险条款 (3)American I

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 实用英语

Two weeks ago, a man called Clement Freud died. He was 84 years old. He was a remarkable man, and very well-known and liked in Britain. He made us laugh, and I thought I would make a short podcast about him. Clement was born in Berlin in Germany. His

发表于:2019-02-19 / 阅读(133) / 评论(0) 分类 听播客学英语

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(197) / 评论(0) 分类 2016CRI中国国际广播电台

GRE词汇指导:填空常用的单词集合之D字母 dazzle: v.1.使目眩 2.使昏眩,使惊诧不已,使倾倒debase: v.贬低(身份,人格,意义),贬值 debilitate: v.削弱的力量,使衰弱 decent: a.1.合宜得体的 2.高雅严肃的

发表于:2019-02-25 / 阅读(150) / 评论(0) 分类 GRE英语
学英语单词
a woman of the street s
absolute ownership
Alpette
amboseli
antivirus virus
bailing experiment
Berkshire Downs
buckyball
C3 convertase
centrivenal
clod-pated
communication check code
debouche
Diemoz
difference in colo(u)r
Emma, Mys
end-to-end transit delay
exundation
false release
Feshiebridge
Foramen zygomaticofaciale
foreclosure on security for a loan
four-spotted spider mite
go on a visit to
HART Communication Foundation
hcrc
head-of-household
heart bypass
heteroxenous parasitism
host-density
i-strenget
imper.
inbred hybrid
inhibitory aminoacid
Juvenal
lady's comb
laffey
left heart bypass
likhachev
limited information instrumental variables
livestock reservoir
luminous emission
Macaranga
many-sidedness
margin rule
Mboya, Tom
megacardita ferruginosa
misrecognitions
mournfulnesses
Mtelo
musical rights
Nemonadectin
neogaikum
nonlinting
objectivistically
occlusal guards
on the tip of her tongue
oneirophrenias
onyment
order-in-council
osteometric board
paget-schr?tter's syndrome
phronesis
phytoclimatic
potassium thiocyanate
pouf pastes
Quantum Extended Graphics Array
quiet sun condition
radial roll pressure
radioisotope scan
requirements vector
right to elect
ronans
rubber bullets
rubber latices products
rudolf ludwig mossbauers
rule in
sea gull
Searsboro
self-twist twisted yarn
selfdeception
shock height
Shredded Wheat
Snell, George
snowbase
SPAG
Spas-Ugol
squalidus iijimae
stormfinches
style of offence
test for divisibility
ticket printers
to end
translithospheric fracture
travelling tower crane
tridymite
twin boat type aeroplane
tympanas
us nite
Vehme
visual absolute magnitude
yeld