[航] 直升飞机声学

In order to convert this opaque, 90,000 hours of video into something that we could start to see, 为了把这个9万小时的录像变成我们能识辨的东西 we use motion analysis to pull out, as we move through space and through time, what we

发表于:2018-12-19 / 阅读(125) / 评论(0) 分类 TED演讲教育篇

Japan's government has asked the United States for a thorough probe into the crash of a US military helicopter on Okinawa. The HH-60 rescue helicopter was on an unspecified training mission when it crashed at Camp Hansen. Three of the helicopter's fo

发表于:2018-12-19 / 阅读(155) / 评论(0) 分类 世界各地新闻集锦

今天采访的嘉宾是安德鲁的朋友马希尔,他的公寓很特别,和普通公寓有什么不同呢 Andrew: So, Im here today with my friend Marshall. Marshall, whats up? Marshall: Uh, not a lot. Im being interviewed and thats nice. Andre

发表于:2018-12-27 / 阅读(107) / 评论(0) 分类 话匣子英语

EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp

发表于:2019-01-07 / 阅读(149) / 评论(0) 分类 Explorations

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. On the June 30th podcast, you heard some bad singing. Clearly a lot of people think they can sing, just look at the enormous crowds that show up to auditio

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(七)月

Interesting sound. I would have guessed a Wild West performer was practicing with a bullwhip while also vacuuming. But no. That sound [SOUND] is apparently produced by the aurora borealis, the northern lights. [SOUND] Since 2000 researchers at Finlan

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(七)月

Have you ever wanted to turn down the volume at a deafening concert or noisy bar? Envy the whale: a new study finds that toothed whales can reduce their own auditory sensitivity when they expect a loud sound. The work is presented at this weeks Acous

发表于:2019-01-08 / 阅读(184) / 评论(0) 分类 Scientific American(五)月

By Sabina Castelfranco Rome 08 November 2007 A U.S. army helicopter has crashed in northern Italy, killing four people on board and injuring seven others. The causes of the crash are still unclear. For VOA, Sabina Castelfranco reports from Rome. In t

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 VOA常速英语2007年(十一月)

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(128) / 评论(0) 分类 2014年VOA慢速英语(八)月

This has not only affected how music institutions,how schools for the deaf treat sound -- and not just as a means of therapy although of course, being a participator of music,that definitely is the case as well. 这不仅仅影响了聋人音乐学院处

发表于:2019-01-18 / 阅读(155) / 评论(0) 分类 TED演讲国际问题篇

A cardboard cathedral will be built near the centre of Christchurch city by the end of this year. First listen to March 2nd 2012 to hear about the Christchurch cathedral in the Square. Most of the Anglican churches were very badly damaged during the

发表于:2019-01-27 / 阅读(126) / 评论(0) 分类 新西兰英语

就算我尸变 他也不能杀我 He can't kill me,even if I turn. 里面没写一人有了女友怎么办吗 Is there anything in there about if one of you gets a girlfriend? 没有 那个有点太不着调了 No,that seemed a little farfetched. 谢尔

发表于:2019-01-28 / 阅读(122) / 评论(0) 分类 生活大爆炸第三季

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

发表于:2019-01-29 / 阅读(216) / 评论(0) 分类 万物简史

LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen

发表于:2019-02-08 / 阅读(166) / 评论(0) 分类 英语新闻

BEIJING: China will build its first long-term underwater observation platform in resource-rich South China Sea where it has territorial disputes with many south-east Asian countries including Malaysia the Philippines and Vietnam. 北京:中国将在和

发表于:2019-02-08 / 阅读(106) / 评论(0) 分类 英语新闻

托福听力演讲类文章关键要素分析之结尾!托福听力乃集四戾内容难、生词多、句子长、语速super快为一身的魔物,因此就让老师助大家一臂之力,顺利攻克托福听力这一重难点项目。 正所谓托

发表于:2019-02-09 / 阅读(167) / 评论(0) 分类 托福英语

KUNMING, July 22 (Xinhua) -- One person was missing and two others injured after a helicopter crashed into a reservoir in the city of Chuxiong in southwest China's Yunnan Province, local authorities said Sunday. The accident happened at around 5:45 p

发表于:2019-02-09 / 阅读(133) / 评论(0) 分类 英语新闻

A first aid helicopter embarked on a trial flight in Beijing yesterday. The aircraft will mainly be used for short-distance first-aid cases, and will be utilized during search and rescue missions. It will provide assistance for those who are lost in

发表于:2019-02-14 / 阅读(148) / 评论(0) 分类 世界各地新闻集锦

aberration :: wandering or staying away; in optics, failure of rays to focus abettor :: encourager abeyance :: suspended action ablution :: washing abnegation :: repudiation; self-sacrifice abstinence :: restraint from eating or drinking accessory ::

发表于:2019-02-14 / 阅读(135) / 评论(0) 分类 英文语法词汇

BEIJING, July 26 (Xinhua) -- A Chinese Defense Ministry spokesman Thursday refuted reports that China's military attack helicopter Z-10 pirated U.S. technologies, saying the helicopter's manufacturer had used independent intellectual property rights.

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 实用英语
学英语单词
acknowledge a deed
Aids-literate
anticreeper
archeocrypticid
area of low pressure
bahaa
Baiso
Bazoches-les-Gallerandes
bistable oscillators
bivalent element
bratting
breeding flock
brine composition
burbles
carbureted engine
castle doctrine
competitive-bid
compressor casting
conducting material
contact stain(ing)
cooking chocolate
creative people
creditor ledgers
critical boiling
Dittus-Boelter equation
dot speed
embroidered painting
engine stroke
extraneous output
field spacing
flower bud of Japanese apricot
forels
gestation interval
get excited over
go ahead mode
gymnostomum calcareum nees et hornsch
Gyulhyeon
hash key
hemimyasthenia
hydraulic scale
i-peinted
ideally plastic structure
intracochlearly
james crichtons
jennell
jurying
label attaching machine
Ligamentum triangulare sinistrum
maculed
magnetic shield
medium grains
memory access controller
molten lead austenitizing
Mosiro
moulding-board
multiple peril insurance
my body is ready
naphthoyl
natroxalate
NAVSUPINST
off-contact printing
oneshot
partial-flow smokemeter
payroll bank account
phan
phone-tappings
photoluminescent polymer
physical chemistry of metallurgical process
positive displacement metering valve
potential fraction of internal energy
President Reagan
pricortin
Promactil
pulp cavities
Randia sinensis
requested permissions
separator-scrubber
sequential scanning inductively coupled plasma spectrometer
shardeen
shared electron
sodium alkylarylsulfonate
spermatozoicide
spinach salad
standard test block
steel crucible
supraocclusion
tailorly
take the weight off our feet
tape injection mold
tax on bank-notes
terrible
testing level
theory of evidence
thin-window image intensifier
time-average correlation function
Tobysh
towboat transport
variable-parameter channel
Vilcanota, R.
Washing in an Inert Atmasphere
x-ray non-destructive testing
zero frame