比率估计的近似方差

[0:0]applause鼓掌,掌声 [0:46.0675]appliance applicable applicant application器具,器械,装置 可应用的,可实施的 申请人 申请,申请书 [1:47.4028]apply appoint appointment appreciate申请,请求 任命,委派 约会,约定,任命 重

发表于:2018-12-05 / 阅读(116) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

[0-1:59.18]Do you know that the harder thing to do and the right thing to do... 你知不知道:难做的事和应该做的事... [00:04.98]are usually the same thing? 往往是同一件事? [00:07.98]Nothing that has meaning is easy. 凡是有

发表于:2018-12-07 / 阅读(99) / 评论(0) 分类 听电影学英语-天气预报员

[00:06.86]We'll let you know. 我们会通知你的 [00:26.98]-Russ is here. -Okay. -拉斯在这儿 -好 [00:29.74]-Where's Mike? -lnside. -迈克呢? -在里面 [00:38.90]-Dave. -Hi, Russ. -戴维 -嗨,拉斯 [00:39.70]He's upstairs. He's still

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 听电影学英语-天气预报员

[00:06.58]classify [00:08.16]vt.1.把...分类, 把...分等级;2.把...列为(as) [00:09.74]aged [00:11.17]a.年老的,老的 [00:12.59]northwestern [00:14.12]a.1.在西北的,向西北的;2.来自西北的 [00:15.65]approximate [00:17.38]a.近似的,大约的 vt.1.近似,接近;2.使接

发表于:2018-12-12 / 阅读(144) / 评论(0) 分类 大学英语听力第二册

作为商务职员,必须牢记这10句最常用的商务电话用语,能让您的工作效率大大增加。 1、 I'm interested in your CRM software. Can you give me an quote? 我对你们的客户关系管理软件有兴趣,能跟我报个价吗

发表于:2018-12-26 / 阅读(96) / 评论(0) 分类 天天商务口语

Exercise 1-47: Regular Transitions of Adjectives and Verbs A different change occurs when you go from an adjective or a noun to a verb. The stress stays in the same place, but the -mate in an adjective is completely reduced [-m't], whereas in a verb,

发表于:2018-12-27 / 阅读(108) / 评论(0) 分类 美式英语正音训练

1. antagonize /n'tɡənaɪz/ vt. 对立 The official antagonized the leader of his own party by accusing him of cowardice. 那位官员谴责自己党内的领导人怯懦,与他产生敌对。 2. dissent /dɪ'sent/ vi. 反对 The vote approving th

发表于:2018-12-30 / 阅读(117) / 评论(0) 分类 突破英文词汇

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(202) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(229) / 评论(0) 分类 数学英语

核心句型: Can you give us a ballpark figure? 你能给我们一个大概的数目吗? a ballpark figure 的意思是:粗略估计,大概的数字,ballpark 指的是专供球类比赛的公园,特指大型的棒球场。在棒球比赛时

发表于:2019-01-26 / 阅读(120) / 评论(0) 分类 轻松日记商务职场篇

By Steve Herman New Delhi 17 August 2007 India was once thought to have the world's highest number of people with HIV -- the virus that causes AIDS. But the estimate was recently reduced by more than half -- down to 2.5 million from 5.7 million. The

发表于:2019-01-30 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(八月)

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

发表于:2019-01-30 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(七月)

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(141) / 评论(0) 分类 阅读空间

Checking Out 结帐 Key Sentences(重点句子) 185.I'd like to pay my bill now. 我想现在结账。 186.Your name and room number,please? 请问您的姓名和房间号码? 187.Ha

发表于:2019-02-03 / 阅读(76) / 评论(0) 分类 实用英语

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(128) / 评论(0) 分类 英语新闻

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(102) / 评论(0) 分类 经济学人科技系列

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(109) / 评论(0) 分类 GRE作文

Key Sentences(重点句子) 185.I'd like to pay my bill now. 我想现在结账。 186.Your name and room number,please? 请问您的姓名和房间号码? 187.Have you used any hotel services this morning? 请问您今天早晨是否

发表于:2019-02-13 / 阅读(120) / 评论(0) 分类 实用英语

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(124) / 评论(0) 分类 英闻天下

This is our latest price list. 这是我们的最新价格单。 Our price is highly competitive. 我方价格极有竞争性。 Can you tell me the prices of these goods? 你们是不是报一下这些产品的价格? Would you please give us an a

发表于:2019-02-17 / 阅读(140) / 评论(0) 分类 天天商务口语
学英语单词
32-bit application
a pineapple
Abelian subgroup rank
auro-
ball milling
be living on borrowed time
be zealous in
belly vengeance
biplanar image tube
bottom plough
bubble density
built-in mounting
cablegami
Capsicum frutescens L.
Carchariidae
caulimovirus
cheilopogon cyanopterus
circled
class D auxiliary power
core class
crico-tracheal membrane
Crofts
deadbaits
digital data channel
dispatch-case
eye muscle area
fabricated lining
flat plug gauge
functional diploid
grain bin for tipping trailer
grey lime roofing
harsh respiration
hexacyclodepsipeptide
hierta
hight vacuum distillation
households-using-radio rating
hymeneals
impure spectrum
infra dig.
island-arc system
item obtainment time
kidney failure
knouting
lady's laces
landi khana
lehn
liperoxide
live-wire
loop leakage
magnetic fasciculation
maintenance of programs
major construction fund of energy resources and transportation
Mbarika
meat extract bouillon
melanocytotropic virus
mixing length
multitasks
Nagydobos
neo-conceptual
neottiosporella radicata
non-scalar
nonscalar identity covariance matrix
Oersted experiment
OLE
optical bleaches
optical fiber ribbon
ostealgia
overlexicalization
participants
parvafacies
phonarteriographic
platform drill
polar coordinate manipulator
power-driven fishing vessel
prairie elimate
probationaries
psychical illusion
pycnostyles
Rayleigh method
replica method
REQPER
root-like leaf
rubino
Salweenia
spectroscopic notation
spontaneous pneumothorax
stalactite vault
stateroom bulkhead
street trader
tas (teleprinter automatic switching)
the transfer
threshold rule
tidy out
vapo(u)r deposition
variable-mutual conductance
vibration acceleration level
vinclozolin
viscosimeter
vos
well paid
Y-maneuver
Yūbetsu-gawa