混成推进剂火箭引擎

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(39) / 评论(0) 分类 英语沙龙2004全年合辑下

Todd: Jonathan we are talking about conspiracy theories. What about the one where the sound? That when the rocket lands, they have actually audio of the rocket landing and you can't hear the rocket engine, and the rocket engine should be making a rea

发表于:2019-01-20 / 阅读(38) / 评论(0) 分类 原版英语对话1000个

The land-speed record 地面速度记录 How to build a 1,000mph car 怎样建造时速1000英里的汽车 Hybrid rocketry will be used to drive faster than ever before 混合火箭技术将用于更快地驱动车辆 May 5th 2011 | from the print ed

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 经济学人综合

18 物理学家、火箭专家戈达德罗伯特 DATE=3-21-01 TITLE=EXPLORATIONS #1944 - Robert Goddard BYLINE=Staff VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VO

发表于:2019-01-30 / 阅读(31) / 评论(0) 分类 文化聚焦

Science and technology 科学技术 Reusable spacecraft 可重复使用的航天器 Jet-set rocket-man 乘喷气式火箭的乘客 A small British firm is working on a nifty new jet-rocket hybrid engine 英国一家小公司正在研发一款轻巧的新

发表于:2019-02-05 / 阅读(34) / 评论(0) 分类 经济学人科技系列

BEIJING, Apirl 1 (Xinhuanet) -- An Ariane rocket launch of two communications satellites was aborted Wednesday after a technical hitch at the scheduled moment of liftoff in French Guiana on Wednesday. According to Arianespace, the Ariane 5 rocket's V

发表于:2019-02-06 / 阅读(88) / 评论(0) 分类 英语新闻
学英语单词
ADSIA
agreeablenesses
Amreli
appraiser's store
arc pit
arithmetical average cost method
array creation
autocatalytic induction
autocrine action
auxiliary hoisting mechanism
back ampere turns
back-datings
be imitative of
bezymianny
Bronaber
caustic peeling
chemistries
cloretate
coarse coir fibre
collagen necrosis
Commiphora
composing room
concrete placing mast
dactylograph
Dadi, Tg.
data link level
De Leeuv's distributed lag studies
discontinuous structure
disguisings
double-end feed
eason chan
Egyptian darkness
endothecium
etazolate
Evans mill
film transporting system
flat bit
gear pair with reference center distance
granular insecticide
hemistich
hicked
inadaptations
intraswitch
investment propensity
Isable
jussion
knock-sedative
kyongsong (gyeongsong)
lennons
lenrodiscontinuity
letter balance
leukoencephalopathy
light-alloy casting
lion in the way
low emissions vehicle
Macdonaldian
magnetic strain gage
microbicides
Middleham
milquetoasty
multiple-loop feedback amplifier
non-slipping
optically oriented clay of diffuse form
Opuntia cochenillifera
plume oneself
primary leveling
productive set
Prunus zippeliana
pseudo exhaustive testing
pseudostationary phase
qsl
reinstalls
resting keel
rh locus
rheic acid
Rideal-Walker coefficient
salptrire
sand-soil-peat matures
screw-slotting machine
seam course
shanghaiiing
simship
somatic surface antigen
steering-wheel
sublinear convergence
Sulcus lateralis
swamp rose mallows
tax-free importy
telecom industry
tenoplastic
testis
Things look nasty .
top square
top-tierest
universal key
vehicle stream
water-soluble carbon test
wheezily
Woronin hypha
ybode
zammit
zoloft (sertraline)