氟化物光纤

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(108) / 评论(0) 分类 Scientific American(十二)月

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 科技之光

序号 中 文 英 文 术语解释 缩写 来源 1 光时域反射法(OTDR),向后散射法 OPTICAL TIME DOMAIN REFLECTOMETRY,BACKSCATTERING TECHNIQUE 靠光脉冲传输通过光纤,测量返

发表于:2018-12-08 / 阅读(85) / 评论(0) 分类 电信英语

Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗? If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的,我想蛀了也没有关

发表于:2018-12-27 / 阅读(107) / 评论(0) 分类 口腔临床英语对话

序号 中 文 英 文 术语解释 缩写 来源 21 光接入网 optical access network 由光传输系统支持的共享同一网络侧接口的接入连接的集合。OAN可以包含与同一OLT相连

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 电信英语

The Nobel Prize in physics goes to Charles Kao, of Standard Communications Labs in England and the Chinese University of Hong Kong, and George Smith and Willard Boyle of Bell Labs in New Jersey. Kao figured out how to transmit light over long distanc

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 Scientific American(十)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(92) / 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(77) / 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(91) / 评论(0) 分类 电信英语

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2010年(十)月

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(99) / 评论(0) 分类 2018CRI中国国际广播电台

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

发表于:2019-01-20 / 阅读(80) / 评论(0) 分类 2018年科学美国人1月

Nobel Prize in Physics The 2009 Nobel Prize in physics goes to Charles Kao of Standard Communications Labs in England and the Chinese University of Hong Kong for the invention of practical optical fiber communication, and George Smith and Willard Boy

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo

发表于:2019-01-30 / 阅读(94) / 评论(0) 分类 科技之光

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(133) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 241 光线路终端 OLT YD/T 1090-2000 242 光网络终端 ONT YD/T 1090-2000 243 光网络单元 ONU YD/T 1090-2000 244 操作系统 OpS YD/T 1090-20

发表于:2019-02-01 / 阅读(123) / 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(161) / 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(133) / 评论(0) 分类 电信英语

今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟

发表于:2019-02-02 / 阅读(81) / 评论(0) 分类 英语单词荟萃

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(123) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
1-butenyl
Acalypha caturus
Adenacanthus longispicus
afro-asiatic
Aldines
alkali blue lake
aretalogy
authorized investment
background variable
baffle plate
Battle's operation
bodily maltreatment
bolus alba
boning room
bourcicault
bruckes
bulk compression
c(a)esium-beam atomic oscillator
canaliculus dentalis
capsicum annuum conoidess
centre around
composite module
contact procedure
current conducing
dartling
default loss compensation reserve
dilyn
disgests
Drava
edestin butter
embolium
emprime
expression
fallguy
fine particle silica
free formaldehyde
ganoderpurine
gap lapper
genus Raphicerus
getting the jump on
Girdar Dhor
Glenmorgan
glycerol tripalmitate
hayabusa
high cut filter
hiply
hosting capabilities
hsin-chieh
hydrostatic ga(u)ge
hydroxymethyl furfural
IABPA
impingement-rate
index of a subgroup
inter-modal coupler
jabots
Keya Paha County
Lang Lang
large-scale turbulence
late maturing variety
licour
lign-
Loglan
long term securities
long yellow daylily
make it good
marginal efficiency of investment schedule
Meiklejohn-Cohen indican method
monalisa
Muara
notoryctidaes
nucleus nervi glossopharyngei
omnidirectional signaling system
option to purchase
oversew
pcdf
pipe opal
porkettas
portal trinity
positive braking
radiation colding
receding dental plate
saresnet
scabies crustosa
SCSI terminator
serratiopeptidase
Slobodskaya Vozvyshennost'
small size bearing
soyite
spadaite
Stria laminae pyramidalis internae
substage condenser
take it easy with
taxator
toroidal magnetic field
Turbo Boost
TV stoned
underground bunker
vapour density method
velocity of permeability
vinyl-sulfone reactive dyes
z-chromosome