网路层协定

AMSP access multiservice platform 多业务接入平台 ATM asynchronous transfer mode 异步传输模式 BMSP Backbone multiservice platform 高速链路多业务平台 CAGR compound annual growth ra

发表于:2018-11-29 / 阅读(224) / 评论(0) 分类 电信英语

United Nations Report Says Earths Ozone Layer Is Healing A new study says the protective layer of the Earths atmosphere is finally healing from damage by humans use of harmful chemicals. Aerosol sprays and coolants had been thinning the ozone layer s

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 2018年VOA慢速英语(十一)月

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(209) / 评论(0) 分类 世界节假日博览

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(222) / 评论(0) 分类 英语课程学习计划和讲义

Task 2: A Work Qualification Test Script According to a report by Australian researchers, the hole in the ozone layer over Antarctica will probably start closing within five years. They say it may be completely closed within fifty years. The ozone la

发表于:2018-12-29 / 阅读(134) / 评论(0) 分类 新视野大学英语:视听说教程 3

Global Pollution Trends According to a recent report by the UNEP 1 , if car numbers keep increasing at the present rate, there will be more than a billion on the road by 2025. Today, motor vehicles pu

发表于:2018-12-30 / 阅读(213) / 评论(0) 分类 英语沙龙2004全年合辑上

ENVIRONMENT REPORT - November 1, 2002: Shrinking Ozone Hole over Antarctica By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Australian researchers say the hole in the ozone layer o

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 健康与环境

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 2018年VOA慢速英语(五)月

PVC permanent virtual circuit Partner*s Program - An indirect sales channel that offers smaller businesses in the TDS Telecom service areas an opportunity to promote and sell TDS Telecom products an

发表于:2019-01-03 / 阅读(108) / 评论(0) 分类 电信英语

RAO Revenue Accounting Office RBHC Regional Bell Holding Company RBOC Regional Bell Operating company RBS robbed bit signaling Regional Bell Holding Company (RBHC) RBHC is one of 7 regional companies

发表于:2019-01-03 / 阅读(193) / 评论(0) 分类 电信英语

T1 Carrier A T1 carrier is a time-division multiplexed digital transmission facility capable of supporting 24 voice channels, (each encoded as a 64 kbps PCM DS0 signal), producing an aggregate multipl

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 电信英语

Terrestrial Microwave Radio Terrestrial microwave radio is a transmission systems consisting of at least two radio transmitter/receivers (transceivers) connected to high gain antennas (directional ant

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 电信英语

P-MAC packet media access controller PAD packet assembler-disassembler PCB printed circuit board PDS premises distribution system Personal Communications Personal communications provides at least one

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 电信英语

APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上,采用量化自适应,使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 电信英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(200) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(166) / 评论(0) 分类 VOA2003(下)-环境与健康

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(186) / 评论(0) 分类 2014年VOA慢速英语(九)月

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(117) / 评论(0) 分类 英语新闻

BEIJING, Dec. 25 (Xinhuanet) -- China is likely to test a new Internet protocol in the next few years in an attempt to further develop the country's Internet, senior officials from the State Council said on Friday. The country will put the Internet P

发表于:2019-02-18 / 阅读(227) / 评论(0) 分类 英语新闻

本期内容: Leaders from nearly 200 nations signed an agreement to phase out hydro fluorocarbons, chemicals used in refrigeration and air conditioning. In the 1980s the Montreal Protocol replaced chlorofluorocarbons, which were known to harm the

发表于:2019-03-02 / 阅读(187) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
abyssomicins
acid-resistant brick
acousto-optic effect
Age of Man
air cooling(cooled)
American lions
antianalgesia
armed services vocational aptitude test
atmospheric pressure process
barettite
biological method for oxygen removal
brookshire
burner manifold
car(ane) ol
cattle-pens
check block
come under the hammer
compass deviation chart
composite pulse
consolidated slow compression test
depressive schema
desalination process
desert hares
direct readout satellite
disharmonious interaction
dry fur
dye reduction method
economic mechanism
electrical torsional strength test
electrode tips
enneagram
femay
flexible plastic disk
floating drift tube klystron
framberry
gitogein
green performance
grimsays
h-lines
half-wave line
HEKC-CM
hypertrophic lupus
ichthyols
Kadsura ananosma
Khungrikot
labeled insecticides
lifestylers
look-down shoot-down
machiner
monoalkylglycerol
mutton sausage cake
mycoplasma arthritidis
nature-printings
non irritant
nonparticipating preferred stock
nossi
passenger-cargo carrier
per pass
pericytal
periodic comets
permanent virtual path connection
pizzles
poveras
price discriminate
product-design
punnable
quadratically integrable function
radiation pressure
repulses
return connecting rod
revision point list
revolution per minute
rolling solution
schistocercas
sea plug
sinody
sous-viding
speaker box
Sporobolomycetaceace
standardized program
static-pressure
stirling cycle
straight fender
structural mechanics in reactor technology
subsystem fault
suffields
sum-of-squares
tape transfer restart procedure
temperature observation
temporal decomposition
Terneuzen(Neuzen)
terpene hydrocarbon
timber cribwork
training jetty
underground battery-charging room
Unregulated Entity
Vasuki
vultuosous
Vyksa
well-policed
zanthopsin
zuckerbrot