平均交变应变差

[00:09.91]北京奥运28大项 [00:30.79]参与,竞争,分享,进步 [00:48.71]Archery 箭术 [00:52.58]英文原文 [00:54.20]No rules disallow the use of pencil for scoring arrows. [00:58.09]The possibility of cheating is prevented by the cross-checking [01:02.27]

发表于:2018-12-05 / 阅读(279) / 评论(0) 分类 奥运28大项比赛

The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i

发表于:2018-12-11 / 阅读(137) / 评论(0) 分类 万花筒2008年

DAVID GREENE, HOST: And we're going to spend some time now in China's far northwestern region, Xinjiang, which is four times the size of California. It's home to a Muslim minority group called the Uighurs. They have had this tense relationship with C

发表于:2018-12-17 / 阅读(134) / 评论(0) 分类 2017年NPR美国国家公共电台9月

[00:05.20]Nikola Tesla developed the alternating current power system that provides electricity in the United States. [00:14.42]Many of his other discoveries led to electronic inventions for which other scientists were honored. [00:22.75]Mister Tesla

发表于:2018-12-26 / 阅读(121) / 评论(0) 分类 美国英语听力80篇

今天我们要学的词是 strain. strain 的意思是压力,费力,使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中

发表于:2018-12-30 / 阅读(121) / 评论(0) 分类 英语单词荟萃

北京奥运28大项 参与,竞争,分享,进步 Swimming 游泳 BREASTSTROKE 蛙泳 From the beginning of the first arm stroke after the start and after each turn, the body shall be kept on the breast. It is not permitted to roll onto the back at any time. Throug

发表于:2018-12-30 / 阅读(299) / 评论(0) 分类 奥运28大项比赛

-Leonard:Look, I need to get enter the laser lab. You're just gonna have to find someone else to take you home. 反正我要用激光实验室,你只能找别人送你回家了。 -Howard:Ah, damn, I picked the wrong side. 该死,我站错队了

发表于:2019-01-01 / 阅读(144) / 评论(0) 分类 生活大爆炸第二季

WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

发表于:2019-01-03 / 阅读(171) / 评论(0) 分类 电信英语

DCE data circuit terminating equipment DCP digital communications protocol DCS digital cross-connect system DDD direct distance dialing DDN Defense Data Network Digit L Digital L is another amplitude

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 电信英语

Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 电信英语

ASE Application Service Element 应用服务单元 ASE Amplified Spontaneous Emission 放大自发辐射 ASIC Application Specific Integrated Circuit 专用集成电路 ASF Advanced Streaming Format 高

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 电信英语

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 四六级词汇与结构练习

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Toss a piece of leaf onto a spider web. The spider is indifferent. Because leaves don't squirm like captured flies. But Australia's assassin bug turns the tabl

发表于:2019-01-08 / 阅读(272) / 评论(0) 分类 Scientific American(十一)月

President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 2010年NPR美国国家公共电台11月

1. Heavy rain and flooding are still major threats for the next couple of days, as superstorm Sandy travels up the East Coast. At least 16 deaths are reported. Millions are without electricity. 2. First flood waters, then fire for an Oceanside neighb

发表于:2019-01-11 / 阅读(165) / 评论(0) 分类 美联社新闻一分钟2012(十一月)

1. A man and his seven children have been found dead in their home in Maryland. Authorities are investigating whether carbon monoxide-poisoning is to blame. Relatives say that the family had been using a generator for heat, after their electricity wa

发表于:2019-01-11 / 阅读(166) / 评论(0) 分类 美联社新闻一分钟2015(四)月

AS IT IS 2015-07-23 Special Olympics Bowler Ready for Summer Games 特奥会投球手为夏季运动会做准备 Los Angeles, California is set to welcome more than 7,000 thousand athletes from 177 nations for the Special Olympics World Summer Games.

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2015年VOA慢速英语(七)月

VALENCIA, Spain, March 23 (Xinhua) -- Valencia goalkeeper Diego Alves took the time to speak to Xinhua in an exclusive interview this week about his experiences at the side which currently lies third in the BBVA Primera Liga table. Alves, 26, joined

发表于:2019-02-02 / 阅读(126) / 评论(0) 分类 英语新闻

Power has been restored to nearly eighty percent of households in the epicenter of the quake. The quake cut off electricity in ten townships in Ludian County. By noon Tuesday, the Yunnan provincial electricity company have brought three 35-kilovolt t

发表于:2019-02-04 / 阅读(159) / 评论(0) 分类 CCTV9英语新闻2014年08月

Here you go, Mr. Scott. Okay. 斯科特先生,给你。好 Oh, this must be really messing their heads up. 这个肯定能扰乱它们的攻势 The frequency's still locked in place. 频率还锁定在这个地方 How are you feeling? 你感觉怎样

发表于:2019-03-02 / 阅读(283) / 评论(0) 分类 陨落星辰第一季
学英语单词
1-bromo-2-propanone
abalienatio
aberration of starlight
andesite-tuff
arc correction
Arnel
artificial insemination station
audio aids
audio substitution method
automobile injure
bower cable
Butung
Calzadilla
casemated
cecil blount demilles
chain insulation
Combistix
conservatorships
CORDIC
cuscuses
debauch
deception group
degreased
Dendrobium porphyrochilum
detail for
digital generation
direct-writing instrument
disgracers
diskographies
distal ligation
drum washer
ean-shuin
eaves soffit
energy forest
Erianthus hookeri
external meaning
feel resentment at
foreign currency payment instruments
freeledge
full satisfaction guaranteed
geek
geobotany
graphical data
grubbiness
half-finished product
Hamdānah
hawk's-beard
high tension distributor
ichthyolatries
input/output adaptor
insular Spaniard
jidderbug
locus of constant phase
mehrgarh
mercury-arc converter
mercy killer
Mikadotrichus
mock-clown
mycosporine
naphthenice
negative stored charge
Neoanthropinae
night-shirts
non procedural language
notch rupture strength
nuclei spinalis nervi vestibuli
opene
parches
Pellionia incisoserrata
piezolighter
Pileostegia
poligeenan
Porotrichum
propylene glycol diacetate
regulus goodfellowi
reinforced concrete (outer)shield
research fields
Richardson automatic scale
Rubus hispidus
school culture
school-masters
sedative poison
shillelah
sight feed syphon lubricator
skin drying mould
spideriness
stripping and ballast pump
suborder carnosauras
supurious wave
tantalum-nitride resistor
Tarros
threefolds
tidal current
topological vector lattice
tossing-and-turning
traditional architecture
trochantins
underapplied manufacturing expenses
vito
vojislav
water conveyance structure
x-speak