线性状态空间变换

[00:-1.00]Ever since the beginning of history, [00:-2.00]people have dreamed of interplanetary travel. [00:-3.00]For centuries, [00:-4.00]these dreams have remained dreams.But within about 30 years from now, [00:-5.00]the first people from Earth will

发表于:2018-11-30 / 阅读(223) / 评论(0) 分类 高中英语牛津版高三

[1]Shuttle Atlantis touchdown the Kennedy Space Center put the final time early this morning. The landing ended NASA's 30-year space shuttle program. The shuttle grand finale comes 50 years to the day after Gus Grissom became the second American in s

发表于:2018-12-15 / 阅读(161) / 评论(0) 分类 美联社新闻一分钟2011(七月)

Much of the northern half of the nation is in the grip of an arctic air mass and is bracing for another wave of snow and ice. NPR's Neda Ulaby reports. People in western Washington State are gearing up for a Mega-storm, that description is from a lo

发表于:2018-12-17 / 阅读(117) / 评论(0) 分类 2008年NPR美国国家公共电台12月

SpaceXs huge rocket makes its first launch this week. It will leave from the same launch pad that sent men to the moon almost 50 years ago. The rocket, called the Falcon Heavy, could be launched as early as Tuesday. When it does, it will be the most

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 2018年VOA慢速英语(二)月

Remembering 2001: A Space Odyssey 50 Years Later It was 50 years ago that the science fiction film 2001: A Space Odyssey opened in theaters across the United States. The film, directed by Stanley Kubrick, was based on a book by Arthur C. Clarke. The

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 2018年VOA慢速英语(七)月

By David Gollust Washington 25 January 2006 The United States Wednesday welcomed the Palestinian elections but reaffirmed it would not deal with the radical Islamic group Hamas, which could be propell

发表于:2019-01-06 / 阅读(164) / 评论(0) 分类 2006年VOA标准英语(一月)

Callum:Hello. In recent programmes in this series, Who on Earth are we? Marc Beebys looked at some of the more obvious ways that cultures can be different from one another -the different ways we use language, or non-verbal communication, for example

发表于:2019-01-07 / 阅读(625) / 评论(0) 分类 英语讨论

1. President Obama and Mitt Romney will both be in Ohio Wednesday, one week before early voting kicks off in the key Midwestern state. 2. Today's UN General Assembly speech by Egypt's new president will be closely watched for clues about his democr

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 美联社新闻一分钟2012(十月)

Apollo 11 Spacecraft Lands in Your Smartphone Back in 1969, it was the Apollo 11 crew who flew to the moon in a spaceship. School children watched it on small black-and-white televisions. When U.S. astronauts Neil Armstrong and Edwin Buzz Aldrin step

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2015年VOA慢速英语(十二)月

New census figures for the Midwest U.S. state of Michigan show dramatic population declines. Michigan was the only state in the 2010 census to lose people. Its biggest city, Detroit, once the fourth largest in the nation, is now the 18th largest. Tha

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2011年(三月)

Burmas President Visits London Amid Accusations Of Ethnic Cleansing President Thein Sein has been embraced by the West as a political reformer. British Prime Minister David Cameron welcomed him to London in the mutual hope of developing trade links.

发表于:2019-01-14 / 阅读(105) / 评论(0) 分类 VOA标准英语2013年(七月)

今天让我们学习一种新的人生态度,或许会对你有所启发哦。 Abundance is a life style, a way of living your life. It isnt something you buy now and then or pull down from the cupboard, dust off and use once or twice, and then re

发表于:2019-01-14 / 阅读(113) / 评论(0) 分类 卡卡课堂早餐英语

66 神秘的彗星

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 科技之光

By Sonja Pace London 06 February 2008 U.S. Secretary of State Condoleezza Rice warns that the military fight in Afghanistan will be long, hard and a real test for NATO. She was speaking in London, where she held meetings with British leaders, as VOA'

发表于:2019-02-02 / 阅读(118) / 评论(0) 分类 VOA常速英语2008年(二月)

BEIJING, June 7 (Xinhua) -- Member states of the Shanghai Cooperation Organization (SCO) called for the establishment of a nuclear-weapon-free zone in central Asia in a declaration released after the conclusion of the group's Beijing summit on Thursd

发表于:2019-02-07 / 阅读(133) / 评论(0) 分类 英语新闻

BEIJING, March 10 (Xinhua) -- The State Council, or China's cabinet, will begin its seventh restructuring attempt in the past three decades to curb red tape and reduce administrative intervention in the market and social issues. The number of ministr

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 英语新闻

Several prominent attendees the World Economic Forum on Africa are urging governments to loosen state controls to unlock the continent's growth potential. Africa remains a mixed picture for foreign investors. Former Nigerian Central Bank Governor Cha

发表于:2019-02-13 / 阅读(101) / 评论(0) 分类 英语新闻

In the US, Washington states aerospace industry has always been associated with industry giant Boeing, but that may be changing. A growing number of smaller businesses focused on commercial space flight are moving to the Pacific Northwest. Their numb

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 CCTV9英语新闻2014年05月

Abundance is a life style, a way of living your life. It isnt something you buy now and then or pull down from the cupboard, dust off and use once or twice, and then return to the cupboard. Abundance is a philosophy; it appears in your physiology, yo

发表于:2019-02-20 / 阅读(100) / 评论(0) 分类 英语美文

本期内容: 神舟十一号17日发射,开启了我国时间最长载人飞行,下面看一则选自上周日CNN发布的新闻 China is preparing for its longest-ever crewed space mission, with a spacecraft carrying two astronauts expected t

发表于:2019-03-02 / 阅读(338) / 评论(0) 分类 口语侠每日早读
学英语单词
adsorption water
Anglo-Catholic
antiaircraft weapon
aristo-red
Azennezal, Erg
Berthoud Pass
bondabler
bravoing
bubble reading
bullwort
bunker under track
calculated area
cat rig
Chinese honey
chromon
Clayslate
cleavage foliation
colom
condensate tank
crank pit
displacement correction
draw in your horns
dress for
economic regulations and ordinances
elliptic nosed cylinder
enolizations
exaptation
excess load
extra-spring-hard cold work
extracurricular excursion
eyellipse
feelins
femininizes
fouowing
gas liquid reaction
genus Aloe
geochemical behavior
gets under my skin
governableness
gun-site
hadens
Hamilton R.
HAWTs
hoverboarded
iletin
immunologically privileged site
in fashion
instantaneous effects
intermodulation distortion meter
jaleel
judicial remedies
labradorite
Laennec's pearls
lancely
Lehigh restraint cracking test
lipkises
maco
magnetic azimuth
managerial philosophies
maxi
maximal efficiency
micro equilibrium theory
mossadegh
mycetogenous chlorosis
neurtrality
nonprovisional
ogren
open champion
opens fire
order off
oxlips
petiolate leaf
Pingal
policy deductible
Premna scoriarum
primatal
pulse count converter
QSIG
ramus bronchialis eparterialis
ravar
Rches
Richard Jordan Gatling
runner cone
shampooed
shtetl,shtetel
skin flora
social-services
sound system
steel line drawer
stratagemical
tape input/output control
thermotical
thin core dam
trichosis setosa
trioles
underground mining environment
underlying accounting data
vane water-meter
vena popliteas
weathering stain
web divider
wheedle out