光参量放大

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 美丽新世界

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(80) / 评论(0) 分类 2013年VOA慢速英语(二)月

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(77) / 评论(0) 分类 中英双语新闻

This is Scientific American's 60s Science. I'm Karen Hopkin. This will just take a minute. Think about the tools used by biologists, perhaps test tubes and microscopes come to mind. But what about diapers? No, it's not the investigators in their work

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 2015年Scientific American(一)月

In my lab, we recently made a cancer nanodetector 在我的实验室,我们最近研制出了一种癌症纳米检测器, that is so small that it could travel into the body and look for tumors. 小到可以进入全身血液循环并寻找肿瘤。

发表于:2019-01-03 / 阅读(93) / 评论(0) 分类 TED演讲科学篇

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(三)月

序号 中 文 英 文 术语解释 缩写 来源 101 操作维护中心 Operation and Maintenance Center OMC YD/T 1221.1-2002 102 光分插复用器 Optical Add/Drop Multiplexer OADM YD/T 1205-2002 1

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 121 出接口 outcoming interface oif YD/T 1177-2002 122 操作维护应用部分 OMAP YD/T 1180-2002 123 开放系统互连 OSI YD/T 1180-2002 124 光放

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 161 光配线网 Optical Distribution Network ODN YD/T 1250-2003 162 光线路终端 Optical Line Termination OLT YD/T 1250-2003 163 光网络单元 O

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 电信英语

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(131) / 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(93) / 评论(0) 分类 2012年VOA慢速英语(一)月

'Word on Street' Impacted Language in 2011 While 2011 is over, some of the words that came to define the past year are still very much with us, and may be for years to come. Since 2011 was an especially busy year for grassroots political action, many

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2012年(一月)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(73) / 评论(0) 分类 TED演讲国际问题篇

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 science of the future to eve

发表于:2019-01-24 / 阅读(120) / 评论(0) 分类 英语语言学习

序号 中 文 英 文 术语解释 缩写 来源 261 操作和维护 Operation Maintenance O&M YD/T 883-1999 262 操作维护和管理 OAM YD/T 997-1999 263 操作维护中心 Operation Maintenance

发表于:2019-02-01 / 阅读(147) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 221 开放系统互连 Open System Interconnection OSI YD/T 1280-2003 222 操作维护中心 OMC OMC YD/T 1079-2000 223 帧失步秒 Out-of-Frame Seco

发表于:2019-02-01 / 阅读(172) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 201 光回损 Optical Return Loss ORL YD/T 1274-2003 202 光信噪比 Optical Signal to Noise Ratio OSNR YD/T 1274-2003 203 光监控通路 Optical Su

发表于:2019-02-01 / 阅读(145) / 评论(0) 分类 电信英语

China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin

发表于:2019-02-14 / 阅读(131) / 评论(0) 分类 2018CRI中国国际广播电台

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(103) / 评论(0) 分类 双语有声阅读
学英语单词
basilar groove of sphenoid bone
Bircot
black-widow spider
bonds and debentures
boracium
cam plate
car light
catness
child nervousness
cistome
clam-fest
Clethra monostachya
CMAMP
collapsibe
conclusional
continuous bending strength
cross-current dryer
crossbodies
crystalline nature
data stick
dental arteries
dinoseb
dissatisfactoriness
drainage
draw the attention of
drowned topography
electrodialytic process
european-type
extra extra triangular blunt saw file
Federal aid to agriculture
fixed reflector
foreground scheduler
fuel evaporator
garwood distribution
gas-producing factor
ghyll
goodenia families
GPMU
graphics drive program
grubs up
GSFs
hand brake on
high-rank fuel
hit theground
incisura mandibul?
independent system operator (iso)
interest accured
ivankevich
joint(articular)capsule
knight of the grammar
lavofloxacin
leather pllishing wheel
lung ch'ih y?eh
lymphostructive ulcer
magnetohydrodynamic wave
military procuratorate
mousterian culture
multiobjective optimization
night-fire
Ninth Amendment
nodulo-ulcerative syphilid
non-metallic bearing
nucleus ventralis thalami
one-piece casting
osteopathists
package defective mutant
pealing
petalomania
piano lid
posolutely
propeller size
ration book
refractory porcelain
revoluting speed
rolltop desk
segment saw
severaunce
shower head
significance exception
Sinmido
Sino-Italian
spiced herring
sportboat
sunken wreck
surface target
swap, pin
teratogenicities
thermistors
three-mountain task
transverse piezo-electric effect
travelling crane
tricyrtis formosana formosana
triplex mud pump
unhumbleness
unox
view models
walshe
water-breathing
weld decay
worgan
yawniest
Zeiss planetarium