(Mach 的复数) n. 马赫数, 马赫
[计] 机器检查
plural of Mach
n. Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)

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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about one explanation for many trees dying in the western United States. We will tell about a project to make e

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Goldman Sachs is a global investment banking and securities firm. It also deals in investment management and other financial services. Most of its clients are institutions, governments, pension funds and very wealthy people. It was founded in 1869 by

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If you look at the HS2 plan at the moment, the 50 billion link is designed to go between London and Birmingham,it was a first stage before creating a Y shape network with lines up to Manchester and Leeds. 2032 to 33 that should be ready, but you ca

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By Peta Thornycroft Harare 17 February 2006 Martin Mhizha fetches water from an unprotected water source in Epworth, Zimbabwe In Zimbabwe's capital Harare, for the first time in most people's memory p

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This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound

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VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about a growing threat to airplanes around the world. And we hear about objects in space that are threatening satellites and the

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Siri Comes to Mac Computers Earlier this month, Apple announced new technology at its yearly Worldwide Developers Conference (WWDC). In the last Personal Technology report, we talked about the changes to Apples iPhone and iPad operating system. Today

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Southeastern Australia has endured some of the hottest temperatures in a century, which have fanned fires that have destroyed homes and strained emergency power and transport services. At least 20 people may have died from heat stroke as temperature

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Raskin's former student Bill Atkinson sided with Jobs. 拉斯金以前的学生比尔阿特金森这次站到了乔布斯的阵营中。 They both wanted a powerful processor that could support whizzier graphics and the use of a mouse. 他和乔布斯都

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Jef Raskin's Baby 杰夫拉斯金的宝贝 Jef Raskin was the type of character who could enthrall Steve Jobsor annoy him. As it turned out, he did both. 杰夫拉斯金是那种能让史蒂夫乔布斯着迷--或者是厌烦的人。事实证明,两

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By David McAlary Washington 18 January 2007 International public health officials say the number of deaths from measles has dropped sharply in developing nations since 1999, with the biggest decline in Africa. VOA's David McAlary has more on the sto

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BEIJING, Dec. 2 (Xinhua) -- Three-time NBA All-star Gilbert Arenas missed a head-to-head clash with seven-time All-star Tracy Mcgrady in the fourth round of the Chinese Basketball Association (CBA) league on Sunday. Arenas was benched for groin strai

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学英语单词
-salpinx
acenaphthoquinone
admission to a bar
airlift of aviation fuel
airplane trim
annual premium costing
arresting officer
ash bucket
background computer
balancing operational amplifier
batch mode
bay leaf
binder thread
bisnorthalphenine
block of stamps
bonejarring
burozem
carburized
cellobiases
cheerfull
Chihpien
chongo
Cineform
closed circuit of a cooling system
counter-agitation
degenerate boundary
deterioratingly
Donne, John
drkoop
duodenal glands
dynamical variables
eight-yearold
entry of appearance
equitable society
Eriocaulon robustius
eye-balls
fake ... out
flushing line
fossae infratemporalis
four-way connection
front axle-load measurement
fuel-handling system
gainer dive
graphite boat
Habann magnetron
hexahedral
holdup men
holla at
in situspecific volume
indophenol
interconvertibilities
juxtapositioning
kachi-koshi
kathode
lachnopterus socius
landlocked salmon
Lenitive Pill
Lilliputian
log grade
love dearly
meksamin
memory overlay
michael assats
monogony (haeckel)
moving cupping
muscles along the regular meridians
occupied territories
over-prescribed
panic stop
patricia tree
peak-clipping circuit
penidiate
photocount
plain die
polysialic acid
pownch
profanes
progressive lipomatoese partial giantism
PSTC
round tin
Russo-Polish War
sedro-woolley
set print area
siegman
single means of disease control
social-problem
spare instrument nozzle
spatialisation
state event
state-centrisms
subornations
substitution cover
surface photoresponse
technical drawing pen
thermocouple temperature
thermophysiological
to the ends of the earth
Tubuai Islands
tyre tube valve
vertical ramp 2-d inlet
warm washing water
wedge-shaped armor