激光载波

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(313) / 评论(0) 分类 VOA常速英语2008年(四月)

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(316) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(311) / 评论(0) 分类 VOA标准英语2014年(二月)

A Chinese-made self-driving container straddle carrier, said to be the first of its kind in the world, is now undergoing testing at a port in Shanghai, reports China Central Television. A container straddle carrier is a freight carrying vehicle that

发表于:2018-12-24 / 阅读(349) / 评论(0) 分类 2018CRI中国国际广播电台

Newspaper Carrier Day is an important day to celebrate one of societys forgotten workers the newspaper carrier. Every day, thousands of newspaper girls and boys get up early and carry heavy bags of newspapers around the streets. They deliver our news

发表于:2018-12-29 / 阅读(264) / 评论(0) 分类 英语课程学习计划和讲义

JUDY WOODRUFF: President-elect Trump made his first public speech today since the election on a trip to Indiana to tout a deal that he said made good on a campaign promise. Mr. Trump met with Carrier workers on the floor of their Indianapolis plant t

发表于:2018-12-31 / 阅读(345) / 评论(0) 分类 PBS访谈商业系列

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(339) / 评论(0) 分类 2017年VOA慢速英语(七)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(402) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(402) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(353) / 评论(0) 分类 2012年VOA慢速英语(一)月

US Crew Vigilant as Carrier Sails Through Strait of Hormuz Ready and vigilant, the battle group steams through the waterway where a fifth of the worlds oil passes. Tehran has threatened to block the strait, and warned U.S. ships not to come. For Navy

发表于:2019-01-14 / 阅读(281) / 评论(0) 分类 VOA标准英语2012年(二月)

RACHEL MARTIN, HOST: The USS Carl Vinson is in De Nang, Vietnam. And it is the first U.S. aircraft carrier visit since the end of the Vietnam War. And it comes at a time of increasing tension between the U.S. and China and between China and some of i

发表于:2019-01-16 / 阅读(318) / 评论(0) 分类 2018年NPR美国国家公共电台3月

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(359) / 评论(0) 分类 VOA常速英语2007年(十一月)

Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素,但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的,或

发表于:2019-02-02 / 阅读(438) / 评论(0) 分类 音乐咖啡厅

BEIJING, March 29 (Xinhua) -- China is conducting scientific testing and training exercises for its aircraft carrier, Defense Ministry spokesman Yang Yujun said Thursday. It takes time for weapons and equipment to be developed from scientific researc

发表于:2019-02-02 / 阅读(344) / 评论(0) 分类 英语新闻

China conducts flight landing on aircraft carrier LIAONING AIRCRAFT CARRIER, Nov. 25 (Xinhua) -- China has successfully conducted flight landing on its first aircraft carrier, the Liaoning, naval sources said. A new J-15 fighter jet was used as part

发表于:2019-02-06 / 阅读(404) / 评论(0) 分类 英语新闻

DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier

发表于:2019-02-07 / 阅读(456) / 评论(0) 分类 英语新闻

China's first domestically-built aircraft carrier has set out from a port in Liaoning on its maiden voyage to start sea trials. The 50,000-ton vessel, codenamed Type 001A, is the second aircraft carrier launched by China. It follows the carrier Liaon

发表于:2019-02-14 / 阅读(331) / 评论(0) 分类 2018CRI中国国际广播电台

听歌学英语:空灵清澈天籁之音SisselCarrier Of A Secret Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年.是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想

发表于:2019-02-18 / 阅读(380) / 评论(0) 分类 听歌学英语

The Indian government will give billions of dollars to rescue its debt-ridden national carrier, Air India. But the government has deferred a decision on allowing foreign airlines to pick up a stake in private Indian airlines, which are also strugglin

发表于:2019-02-18 / 阅读(449) / 评论(0) 分类 英语新闻
学英语单词
0475
acoustic transducers
antifreezing coat
attachment of goods
biopoeic
bizrate
bull the buoy
camarota
Cartesian coordinates
circulation of material
compiler operating system relationship
cross-linked network
damping fin
de vere
debrain
Debt equity ratio
DLTDP
dust-control with enclosure
erdey-grzuz-volmer reaction
extra-dense barium crown glass
facsimile signature
fedifraction
frequency changer
fruit kiln
full-load
generalized element
genus aureolarias
go-devil
godet wheel
governing body
Hallwil
Hamon-gog
hinged horn die
housing screw
Huk-to
in the hospital
inflow ratio
initial tree
insertion phase
instrument nitrogen dryer
Internet media type
irrigation pumping station survey
judicialization
karson
kindred plant
littlechaps
long vehicle
low-loss ferrite
magnetization characteristic curve
make out one's case
MO2
monogaster
multifamilies
multiple processor operating system
Neobalaenidae
Nieuw-Dordrecht
not negotiable
Nutaysh, Wādī
Oberonia cathayana
obstacle clearing
ophthalmitis
paraluteres prionurus
pipe twist
posterus
precolonially
preferred customers
present - day society
pretested packing
prolonged antifouling power
protuberance cutter
recentering mechanism
relayout
Repentance is good,but innocence is better.
reproach sb. for sth.
reradicalize
rescriptively
Rio Azul
second-down
shaker box
Sivaites
skin hardening
small chainmaker pliers
spark lighter
speare
splendidest
straight-haired
telemetering seismograph
thk
to take for a ride
tonal wedge
tranh
ultra-sonography
unsplittable
uzi
vanellae
verrucous carcinoma
water-honeyed pill
watermelon begonia
wetzler
woooo
working fluid heater efficiency