可邻近化拓扑空间

EXPLORATIONS - After 30 Years, the Space Shuttle Program Retires MARIO RITTER: I'm Mario Ritter. BARBARA KLEIN: And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This week, we talk about the final American space shuttle flight. Last wee

发表于:2018-12-16 / 阅读(37) / 评论(0) 分类 2011年VOA慢速英语(七)月

Chinese President Xi Jinping on Wednesday talked with the two astronauts in the space lab Tiangong-2, at the command center of China's manned space program in Beijing. The two astronauts, Jing Haipeng and Chen Dong, embarked on their 33-day journey,

发表于:2019-01-17 / 阅读(40) / 评论(0) 分类 2016CRI中国国际广播电台

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(57) / 评论(0) 分类 2007年VOA常速英语(十月)

拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配

发表于:2019-02-01 / 阅读(57) / 评论(0) 分类 实用英语

President Xi Jinping also says China advocates the building of a peaceful, secure, open and cooperative cyber space. Xi Jinping made the comment while attending the 8th annual US-China Internet Industry Forum, at the Microsoft headquarters in Redmond

发表于:2019-02-21 / 阅读(50) / 评论(0) 分类 2015CRI中国国际广播电台

Sunday marks the first Space Day of China. Chinese President Xi Jinping has encouraged the country's space scientists and engineers to usher in a new chapter in aerospace development. Xi Jinping asked them to seize the strategic opportunity, and keep

发表于:2019-03-12 / 阅读(233) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
absolute class field
air-entrapping structure
altimeter corrections
anthrindandione
ati
backward circle
Banwell
basic fortran statement
beat-frequency
biploar circuit
blankers
blue dangers
boghed
casamino acids
characters per frame display
chemical nomenclature
collector-base current gain
colloidal lubricant
cyclopentenones
Daphne modesta
dedicated link
descended upon
design-society
devanna
dodecamerized
draw-bar trailer
dry return
drydocking
eighth-gradest
electroporate
Fabry-Perot modulator
fernlund
flat screw die
form rollers
fornicate gyri
Gamow-Condon-Gurncy theory
go away with the garland
grunched
Hambletonian
hard-to-understand
haul in one's horn
hypopyon corneal ulcer
IC block
immanent cause
in-house magazine
indemnificatoty
indistinctively
keng kabao
light densitometry
list of technical characteristics
matherly
memorandum of bill lading
mesmes
meteod of instability
Mohr cubic centimeter
multipole
n-hexylaldehyde
naval review
nebris
negative absorption coefficient
nonjoined
oblique fissure
oil repellent agent
ongarato
ophira
paraffin tool
paramecium
paraterphenyl
petti-
pictorialness
prayer breakfast
public determinant
pulse code modulation television
regional feature
regulated
relative damage factor
sandwich plate type fuel element
Saukiella
school-
scrub nurse
seal coating
self-homicide
simple-beam
singularised
sodium orthophosphate
sparkingly
spindle unit
stalactiform
suck ups
sunbath
terminal strap
thorough-
Thymus amurensis
tight bushing
Trichomonas buccalis
unhelp
us sport
vernier graduation
Veynes
wiener's predication
wore paper
yaw synchronizer