重量质量离差

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(160) / 评论(0) 分类 数学英语

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(103) / 评论(0) 分类 2018年VOA慢速英语(十一)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(125) / 评论(0) 分类 天天商务口语

A tornado rips across the Missouri Plains. Winds over 150 miles per hour shred everything in the twister's path. When it smashes a trailer home, one man is sucked into the heart of the storm, spun and shaken horrifically. His limp body drops out of

发表于:2018-12-30 / 阅读(208) / 评论(0) 分类 国家地理2008年

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(225) / 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(161) / 评论(0) 分类 万物简史

Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 早读英语精华本

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(136) / 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(141) / 评论(0) 分类 Scientific American(十)月

TRUST 信任 Last night I was driving from Harrisburg to Lewisburg, Pa., a distance of about eighty miles. It was late. I was late and if anyone asked me how fast I was driving, I'd have to plead the Fifth Amendment to avoid self-incrimination. Sev

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语笔译

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(117) / 评论(0) 分类 TED演讲娱乐篇

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后,米歇尔的仪器

发表于:2019-01-29 / 阅读(101) / 评论(0) 分类 万物简史

A short period of gorging on junk food has a more permanent effects on body size and the way it stores fat even after the initial weight is lost, the study found. The gluttony changes fat mass the percentage of fat in the body for more than two years

发表于:2019-01-31 / 阅读(95) / 评论(0) 分类 阅读空间

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(129) / 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(129) / 评论(0) 分类 实用英语

BEIJING, Oct. 27 (Xinhuanet) -- A new study shows that it's not simply a lack of willpower that explains weight regain but hormones keep one insisting on eating, a persistent biological urge. As any dieter knows, it's hard to keep weight off. Weight

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 英语新闻

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(124) / 评论(0) 分类 听播客学英语

BMI stands for Body Mass Index, and it's a way to estimate whether or not an adult is over or under weight for his or her height. No equipment is necessary. You can figure out your BMI at home with a calculator. You multiply your weight in pounds by

发表于:2019-02-23 / 阅读(138) / 评论(0) 分类 英语时差8,16

Captain Nemo walked in front, and his companion followed us a few steps to the rear. Conseil and I stayed next to each other, as if daydreaming that through our metal carapaces, a little polite conversation might still be possible! Already I no longe

发表于:2019-02-25 / 阅读(104) / 评论(0) 分类 《海底两万里》中英双语有声读物

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(145) / 评论(0) 分类 GRE英语
学英语单词
'Ajlūn
abrasive lapping machine
adygeys
after burning period
agitation granulation
ansi fortran iv
atelene
available line
beat frequency oscillator
bend signal
bung off
chain decomposition
Chlobenamide
chucked it down
cissplain
coadunation
communication sound
computer seusitive language
concept of non-reciprocity
correction date
course pickup
cristae frontalis
cryophobia
cryosequester
dialing into
diazo-ketones
diplopia
dual channel office
earthquake effect
electric illumination
electronic guitar
equalization of incidence
federal maritime commission
fingers motion
fit out
follower plate
foreign-government
gross blunder
hair shaving
henningham
Hudsonia ericoides
hundees
Hvalvatnsfjördhur
imidogen
instruction for installation
internal data
knf
kurcheine
local hot-cell factor
Maddenia wilsonii
make restitution to
Massacre of the Innocents
mcwhirter
mesh emitter
multiple window channel method
needle electrode
neuropteras
orchematical
overlay generation language/370
oxy-5-hexylquinone
ozone therapy
paddle blade propeller
pauce
photo-magnetograph
plastoscope
polyurias
postinfective fistula of small intestine
potentalla flagellaris willd.
pre-requisites
prevaccine
pycnotic
quaestio juris
radio ceramics
reference beam
rudder heel bearing
rycotes
saint georges
sampling skew
securicors
self-imposed
shivling
Skebokvarn
spics
spiral crisscrossed fiber
spreading hopper capacity
strong-arm provision
superlie
sycopsis tutcheri hemsl.
synthetic seismograms
telenursing
There they are
time read
toilet powder
two row potato planter
two-pass grate
unloaded mechanism
unsteady aerodynamics
vestibular sense
virtual mentoring
wjff
yin shan yai hua chung wu tzu t'u
zabaiones