[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(139) / 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(180) / 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(135) / 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(189) / 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(188) / 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(166) / 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(213) / 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(139) / 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(143) / 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(178) / 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(148) / 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(143) / 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(235) / 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(193) / 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(131) / 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(190) / 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(148) / 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(175) / 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(155) / 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(126) / 评论(0) 分类 实用英语
学英语单词
acid-suppressive
after-the-fact planning
aminopropane
ammophyte
anchor
Aquinist
arm regulator
bacteriome
bathyal region
beam distance
Benzodioxane
berayed
bubble memory controller
burpee
call by value-result parameter
callan symanzik equation
case pres-sure
cast-iron chilled
Cesarevitch.
chip-shots
Chuchkovo
circle bend
ciwujia tablets
cloud amount
cockroach killer
come back from the dead
composicin
copper-tungsten contact
cotton sewing thread on spool wooden bobbin
Cutts
decentralized accounting
dedicated executive
Dormigen
double-length word
elasticity number
Elsholtzia flava
Ethril
eupycnotic
family of parabolas
Fasciculi transversi
ferromagnetic colloid
flowing away
glue-water
halgren
hip moulding
hott
Ibiothelmint
impaving
inner bottom construction plan
Iodatol
iodobead
irradiation sample container
isagoras
korner absolute method
korotayev
layer cell
light-water-moderated reactor
lost his tongue
lyres
mangsen
mini-button
mob-handedly
N.I.R. analyzer
nalfeshnees
nitrilotris(methylene phosphonic acid)
notification charges
nougier
o-b
parity character
phyllactinia papayae
pollinator
pulse emitter load
r rotunda
reactor power coefficient
reinsurance premium
Sabine absorption
saved state
Scherfferville
seek one's bed
shadow sound
Smith, Act.
split ledger account
structure for exponential decay
superworkstation
swell and swale topography
taffias
thorasic bones
transaction civ
translatory motion
Tsumis
tv-viewing
underground public utility
UX2
Valdecaňas, Embalse de
van Creveld-Ellis disease
vancouver-based
viable yeast
Vibrio desulphuricans
White Ticket
wishing cap
with impunity
zordon