准相位空间

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(171) / 评论(0) 分类 数学英语

Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that

发表于:2018-12-07 / 阅读(153) / 评论(0) 分类 VOA2003(上)-科技导航

Broadcast: June 4, 2003 By Paul Thompson VOICE ONE: This is Ray Freeman. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we tell about how astronauts prepa

发表于:2019-01-02 / 阅读(217) / 评论(0) 分类 VOA2003(上)-科技导航

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 Scientific American(十)月

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(150) / 评论(0) 分类 2007年VOA常速英语(十月)

BEIJING, Sept. 6 (Xinhuanet) -- The amount of space junks floating in Earth's orbit has reached a critical level, warned scientists. The future space missions may become too dangerous to fly for a risk of colliding with space junks, said a report rel

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 英语新闻

BEIJING, Sept. 2 (Xinhuanet) -- The amount of space junk orbiting the Earth could cause fatal leaks in spaceships or destroy valuable satellites, according to a report released by the U.S. National Research Council. Computer models have shown that th

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 英语新闻

A city in central China now has free parking spaces reserved for drivers who need to answer the call of nature while on the road. 中国中部一座城市现在出现了免费停车位,专为需要在路上去洗手间的司机保留。 Spaces have

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 英语新闻

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(157) / 评论(0) 分类 英语新闻

MOSCOW, April 22 (Xinhua) -- The Russian Space Forces has re-established contact with a military satellite, Geo-IK-2, which went missing in February, local media reported Friday. According to a spokesman from the Defense Ministry(国防部) , Interfa

发表于:2019-02-08 / 阅读(148) / 评论(0) 分类 英语新闻

Working in Project Space One of the givens in David Allens Getting Things Done is that you cant do a project. Instead, Allen recommends you break projects down into immediate next actions, discrete doable chunks that can be cranked through with a min

发表于:2019-02-08 / 阅读(206) / 评论(0) 分类 阅读空间

Crews at the Kennedy Space Center in Florida are preparing the Space Shuttle Discovery for its final launch, scheduled for Thursday. Among the things it will carry to the International Space Station will be a humanlike robot designed to help astronau

发表于:2019-02-08 / 阅读(200) / 评论(0) 分类 英语新闻

BEIJING, June 16 (Xinhua) -- The successful launch of China's fourth manned spaceship paves the way for a future space station, which might subsequently benefits the world in space exploration. Shenzhou-9 spacecraft, carrying two males and one female

发表于:2019-02-08 / 阅读(126) / 评论(0) 分类 英语新闻

BEIJING, Sept. 21 (Xinhuanet) -- China will launch an unmanned module next week, paving the way for a planned space station, a spokesman for the space program said on Tuesday. Tiangong-1, or Heavenly Palace 1, will blast off from Jiuquan Satellite La

发表于:2019-02-08 / 阅读(130) / 评论(0) 分类 英语新闻

The U.S. space shuttle(航天飞机) Discovery has completed its work at the International Space Station on its 39th and final mission, and is preparing for Wednesday's scheduled landing at the Kennedy Space Center in Florida. The shuttle success

发表于:2019-02-17 / 阅读(147) / 评论(0) 分类 英语新闻

This Friday, the U.S. space shuttle Endeavor is scheduled to lift off on its last voyage(航行) to the orbiting International Space Station. And on June 28, barring any last minute complications, Alantis will become the last space shuttle ever t

发表于:2019-02-18 / 阅读(131) / 评论(0) 分类 英语新闻

MOSCOW, Oct. 24 (Xinhua) -- The Russian Space Agency Roscosmos confirmed on Monday the list of next crew members who will fly to the International Space Station (ISS) on Nov. 14. Russia's Soyuz TMA-22 spacecraft will bring Russian cosmonauts Anton Sh

发表于:2019-02-18 / 阅读(215) / 评论(0) 分类 英语新闻

BEIJING, Nov. 13 (Xinhua) -- China has established an operation committee for management of the country's first space lab module, Tiangong-1, during its two-year orbit of earth. The committee will deal with operations planning, technical appraisal an

发表于:2019-02-18 / 阅读(148) / 评论(0) 分类 英语新闻

BEIJING, Nov. 3 (Xinhua) -- Two Chinese spacecraft accomplished the country's first space docking procedure early Thursday, silently coupling in space more than 343 km above Earth's surface. Nearly two days after it was launched, the unmanned spacecr

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 英语新闻

JIUQUAN, June 16 (Xinhua) -- She is a wife. She belongs to China's one-child generation. On Saturday, 33-year-old Liu Yang becomes the country's first woman entering space. The home-grown Shenzhou-9 spacecraft, atop an upgraded Long March-2F carrier

发表于:2019-02-19 / 阅读(157) / 评论(0) 分类 英语新闻
学英语单词
air tight
air vacuole
alienisim
angelophany
Anotis
Antennaria
anti-frost
apocenter
Argentinianness
Aridal, Sabkhat
autosensitized
bank material
belo-horizonte
berthier
block interlocking slide
blue snapper
boss plate
botijo
cadaques
carry bit
carry out something
commem
condylos
crask inn
cruel blow
cutaneous hamartoma of pagetoid cells
cyclical analysis
datemarks
decolors
Dehornoy order
delivery flap
driving-point impedance
dual tubing wellhead
electronic colour sampling
empiric
English wheat
fine product
foreign literature
genus agaves
global air-ground communication system
hemp canvas
high-speed infrared film
hippolite
ibeam
IF switching
ingot blank
invigorator
irregular nebulae
jeeas
job operation
kill in revenge
Labarraque
lateral critical speed
load-on-call
Loronyo
low pressure ratio
manpower economics
mass centering machine
meteorological station management
motor sailer
multilayer particle
muscular spindle
mysuran
neoscona vigilans
noseprint
Ormes Bay
panatta
papulose
passing arguments to entry name
peace-enforcement
pestmaster
photogrammetric camera
phouthang
polishing brush
positive half-wave
postfusion
Przheval'skoye
pseudergate
rake inventory
referencial
repair of mitral insufficiency
respite of sentence
rheoscope
rheumatalgia and neuralgia tablet
Salix neolapponum
school to work
self-modifying function
shawled
ship gammaradiac
skewly
strata cinereum cerebelli
strategic operational communication system
Thomson' fascia
timber compoment
tonco beans
trichosis setosa
tristichium sinense broth.
valve mounting
varactor frequency modulation
visceropleural
words of severance
wrinkled leather