大型挠性航天器的振动控制

[00:00.00]The Time Message [00:07.39]Time is tricky.It is difficult do control and easy to waste. [00:14.45]When you look ahead,you think you have more time than you need. [00:20.22]For example,at the beginning of a semester, [00:24.66]you may feel t

发表于:2018-12-05 / 阅读(184) / 评论(0) 分类 能量英语第一部

New NASA Mars Mission Will Study Deep Under Planets Surface NASA, the American space agency, is sending a robotic scientist to Mars. It will dig deeper than ever before to study the planets geological activity. The Mars InSight spacecraft launches Ma

发表于:2018-12-08 / 阅读(114) / 评论(0) 分类 2018年VOA慢速英语(五)月

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(122) / 评论(0) 分类 VOA2003(上)-科技先知

Citizen-Scientists Take Control of Old Satellite 平民科学家控制旧卫星 For the first time, the American space agency has given control of one of its spacecraft to a team of citizen-scientists. The satellite was launched in 1978 and had not b

发表于:2018-12-16 / 阅读(101) / 评论(0) 分类 2014年VOA慢速英语(九)月

Place an order,assemble, be placed in inventory, taken out of the inventory. F:What exactly happens at your hubs? M: First, a customer places an order,second, a computer is assembled.(使用一般现在时) F:the hub is doing the assembling. M: Thats right

发表于:2018-12-16 / 阅读(255) / 评论(0) 分类 VOA 商务英语

When summer comes, there are two things Id like to do most. The first is to go swimming and the second is to eat ice cream. Ice cream is my favorite food, It can make me feel cool and drives away my hotness. The flavor of strawberry always attracts m

发表于:2018-12-17 / 阅读(101) / 评论(0) 分类 初中英语新课程优秀课展评

[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]

发表于:2018-12-26 / 阅读(123) / 评论(0) 分类 美国英语听力80篇

兵势篇 NO.1: 孙子曰: 凡治众如治寡,分数是也; 斗众如斗寡,形名是也; 三军之众,可使必受敌而无败者,奇正是也; 兵之所加,如以瑕投卵者,虚实是也。 这句啥意思: 治理大军团就

发表于:2018-12-29 / 阅读(84) / 评论(0) 分类 孙子兵法

By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 VOA2004(下)--健康科技

China may be the only country to have a space station in service by 2024 when the International Space Station retires, said Lei Fanpei, chairman of China Aerospace Science and Technology Corp. 中国航天科技集团董事长雷凡培日前表示,到

发表于:2019-01-07 / 阅读(99) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(一)月

AS IT IS 2015-07-15 US Spacecraft Flies by Pluto After Nine-Year Trip It has taken more than nine years for an American spacecraft to reach the far edge of our solar system. The spacecraft, named New Horizons, sailed past the dwarf planet Pluto on Tu

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2015年VOA慢速英语(七)月

A Chinese astronaut has made the historic first step in outer space for his country. With the successful spacewalk, China has become the third country, after the United States and Russia, to do so. Stephanie Ho reports from Beijing. In this video gr

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 VOA标准英语2008年(九月)

今天我们要学的词是 flexible。Flexible 灵活的,有弹性的。美国一项调查显示,Almost all respondents think that flexible work arrangements would have a positive effect on their personal lives. 几乎所有受访者都认为,灵

发表于:2019-01-26 / 阅读(121) / 评论(0) 分类 英语单词荟萃

BAIKONUR, Kazakhstan, April 5 (Xinhua) -- Russia launched a spacecraft with three astronauts on board from the Kazakh Baikonur space center early on Tuesday, Xinhua correspondents(通讯记者 ) reported from the site. The Soyuz TMA-21 spacecraft

发表于:2019-02-05 / 阅读(128) / 评论(0) 分类 英语新闻

今天我们要学的词是 proportion. Proportion 有部分的意思。A report from the Centers for Disease Control and Prevention found that only a small proportion of American adults, less than 15%, eat enough fruits and vegetables. 美国疾病控

发表于:2019-02-08 / 阅读(111) / 评论(0) 分类 英语单词荟萃

WASHINGTON, May 25 (Xinhua) -- SpaceX's unmanned Dragon capsule docked with the International Space Station on Friday and became the first commercial spacecraft to reach the orbital outpost. According to U.S. space agency NASA, the capsule was secure

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 英语新闻

MOSCOW, May 24 (Xinhua) -- Russia's Soyuz TMA-20 spacecraft with three crew members onboard has landed in Kazakhstan on Tuesday, said the Mission Control Center (MCC) outside Moscow. The spacecraft(宇宙飞船) undocked from the International Space

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英语新闻

Americans are worse at spelling than Britons, with more than half unable to spell embarrassed, liaison and millennium。 美国人在拼写单词方面不如英国人,超过一半的美国人不会拼embarrassed、liaison和millennium。 Despite th

发表于:2019-02-19 / 阅读(134) / 评论(0) 分类 英语新闻

In his annual government work report at the NPC session, Premier Li Keqiang announced a flexible GDP target, calling it a reasonable growth range as China is gearing up its structural reforms. The main development targets for 2016 are as follows: GDP

发表于:2019-03-04 / 阅读(216) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
A-element
absolute summable sequence
air condenser
an old bird is not caught with chaff
andreaea mutabilis
anthropomorphologically
antineutrino beam
antinode
babycar
balancing generator
bank fire
Barlow lens
bat speed
beat frequency oscillation
bipolymer
blended interpolation
blinding screen
Bol'shiye Barsuki, Peski
bordering
butt-ended tube
C-6
call tag
Camellia drupifera
cardially
cluster redpepper
collector-emitter voltage
constant pressure thrust chamber
Countryside Commission
criss-crossings
cutaneous tag
deconstitutionalization
depuff
derivative thermogravimetry
do a snow job on
double -evaporation boiler
down-hole
echinus rudiment
Einstein summation convention
enthusiasticke
es safi (as safi)
exhaust coefficient
external resource flow
eye spot
federal islamic republic of the comoross
fibrin degradation
flash-evaporation
Gougerot's syndrome
GreenBrowser
griffeth
homoveratrole
hour glass
hydraulic efficiency reservoir
hydrostatic machine
hypericum erectum thunb.
ink duct
integral time constant
ion microanalysis
jet perforating gun
kernite
knobkerrie
Krefeld
ldf
lentulo
linear programming analysis
mixed adsorption
MSPR (master spare positioning resolver)
munite
Muqdisho
nonarmed
noncontacting
nuveen
OMVC
one revolution
operative surgery
outlet temperature profile
Patrai
planter plate
proctocystotome
refreshers
roller band saw
Rosicrucians
sam adamss
single mantle lantern
speleobiology
SRLB
start bit
status quo anto bellum
STD ATM (standard atmosphere)
swert
Sīnji
thalamus (pl.thalami)
three-phase of soil
three-prong
transient magnetism
unattired
unsymmetrical grading
uredo cyperi-tagetiformis p.henn.
utilization cut
versaclimber
webzines
win-lose game
wind power rose