激光光纤传输系统

9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp

发表于:2018-12-01 / 阅读(222) / 评论(0) 分类 自考英语(一)78讲

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(141) / 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(126) / 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(111) / 评论(0) 分类 VOA标准英语2014年(二月)

New Laser Heals Wounds Faster, Without Scarring 新激光治疗伤口好的更快且没有疤痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 VOA标准英语2015年(四月)

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(五)月

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(137) / 评论(0) 分类 2017年VOA慢速英语(七)月

Transmission Facilities Transmission facilities provide the communication paths that carry user and network control information between nodes in a network. In general, transmission facilities consist

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 电信英语

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(212) / 评论(0) 分类 2005年NPR美国国家公共电台

By Matt Steinglass Hanoi 01 June 2007 Vietnamese Internet users are experiencing slower service after thieves stole part of the one of the country's main fiber-optic transmission cables from the sea floor and sold it for scrap. If one more cable is c

发表于:2019-01-11 / 阅读(191) / 评论(0) 分类 2007年VOA标准英语(六月)

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(187) / 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(161) / 评论(0) 分类 2012年VOA慢速英语(一)月

AS IT IS 2014-08-22 US, Japan to Connect with Fiber-Optic Cable 美国与日本建设更快的链接光纤 Work will begin immediately on a new fiber-optic cable between the United States and Japan. The $300 million project, called FASTER, is to be f

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

AS IT IS 2014-10-22 Fiber Optic Cable Measures Antarctic Ice Melt 光纤测量南极冰川融化 Antarctica is covered with ice that extends past the land and floats on the sea in thick shelves. But those ice shelves are melting quickly. As they melt

发表于:2019-01-12 / 阅读(136) / 评论(0) 分类 2014年VOA慢速英语(十)月

DRC Misses Deadline for High Speed Internet Officially, the Democratic Republic Congo is about four months behind schedule to connect to the West African Cable System (WACS). This is not the first time the DRC has missed out on a high speed Internet

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 VOA标准英语2012年(五月)

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(204) / 评论(0) 分类 2017CRI中国国际广播电台

Reporters on the Streaming down the Yangtze River tour have arrived in Hubei's capital, Wuhan. As part of their time there, the reporters have visited the East Lake Hi-tech Development Zone, a national innovation demonstration zone, which is also kno

发表于:2019-01-19 / 阅读(168) / 评论(0) 分类 2018CRI中国国际广播电台

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(161) / 评论(0) 分类 VOA常速英语2007年(十一月)

Chinese firm FiberHome has developed a type of optic fiber that can transmit 400 terabytes of data per second, breaking the world record for the amount of data that can be transmitted on optic fibers, the company said. 中国公司烽火通信近日表

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice

发表于:2019-02-14 / 阅读(298) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a shylock
Abourasséin Mont
abronia villosas
acephalies
agnostic
angle of tooth point
arc of circle
asturidon
back dump
base-ball
bidirectional logical relationship
Black Friday virus
budget results
cainogenesis
calymperes fasciculatum
cinnamom
coil housing
crate controller
deficit-covering bond
diethyloxonium chloride
disreputing
dog wire
eddingtons
emitter follower circuit
examination of wastewater
expectant attitude
fetal adenoma of thyroid gland
finance house base rate
flat-top chain
fleshward
foley session
for all intents and purposes
formal rules
functional interchangeability
games consoles
ganaxolone
gastric lipase
gastritis granulomatosa fibroplastica
global-scale
graffiti art
haldenhang
hastati
hatch battening arrangment
heat-can
heptyl heptylate
hexahydrated
horizontal raster count
hs?n tzu
Huashiban Formation
I.T.V.
iiijs
installation in regular order
interatomically
Kasimid
katjia
koshes
Laminariaceae
leeke
Leroux, Gaston
market one's own products
metro
Mihrābpur
moneyball
moving cascade
neo keynesian economics
nervus autonomici
Nuodikang
organ biochemistry
Oro Valley
oxypora glabra
pachynsis
Peasenhall
petticoat insulator
pinhole borer
play the bully
portal block
primitive of conceptual dependency
ranalian complex
random fixation of gene
Raskolnikovian
red blood cell life span
rubber porous membrance sprayhead
sales organization research
scaleth
shitdogs
snoozin'
stypsis
suburothelial
suppurative fracture
surfacer
swatting
synostosis congenita
tax dollar
Tchou-m-Adegdeg
tfiis
transient delay
traveller chatter
U-nut
Weems
white putty
Wind-crack
yhaved