多协定层

I think we can all agree that reality is pretty great. Its what we experience through our senses, like our eyes, and phones with cameras. The Internet is awesome too, but the internet and reality have a hard time working together. Thankfully this is

发表于:2018-12-11 / 阅读(143) / 评论(0) 分类 英语解说豆知识2010年

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(87) / 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(189) / 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(206) / 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(124) / 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(198) / 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(111) / 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(166) / 评论(0) 分类 2018年VOA慢速英语(五)月

Channel A channel is a single communications path in a transmission medium connecting two or more points in a network, each path being separated by some means; e.g., spatial or multiplex separation, s

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 电信英语

CPU central processing unit Cross Connect 1.in a premises distribution system, equipment used to terminate and administer communications circuits. In a wire cross connect, jumper wires or patch cords

发表于:2019-01-03 / 阅读(115) / 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(108) / 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(134) / 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(189) / 评论(0) 分类 农业与发展

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 CNN2010年(五)月

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(154) / 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(163) / 评论(0) 分类 2014年VOA慢速英语(九)月

日本富士通实验室的研究人员开发了一种无线充电系统,可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电,无需使用电缆。该系统最早可于2012年正式推出使用。该系统被

发表于:2019-01-19 / 阅读(231) / 评论(0) 分类 阅读空间

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(162) / 评论(0) 分类 纯正英语一分钟

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(105) / 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(176) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
activity queue
adenantheras
axle grinding machine
azure jay
back-speir
Bacteroides
Ball, Mt.
beam guide
beleaguerers
blue marsh l.
board of review
boucan
bullifrom scale
carduelis spinuss
cataleptogenic
cinnamyl formate
contracted bladder
conventiongoer
crystalline metamorphism
Domahaza
door-bar
drift correction
dynatron
early flowering season
ebbtides
elk's horn
equivalent Bragg spacing
exostosis of external auditory meatus
fact finding
false lapis
family size
Fanano
film camera video amplifier
fire-control stairs
fire-resisting beam
floating thumb
folieadeux
food and agriculture organizations
fragrance-free
Freetown
friedson
game matrix
geomagmatic cycle
Grünhain
hemispherical engine
hermitian conjugate
high-frequency tuning amplifier
horizontal ripple
hot-pots
information rights
instruction tracing
Kundera, Milan
leucite kulaite
life-everlasting
Loffler's methylene blue
luellen
majellas
management shareholder
manganese chloride
Mayoko
melosira
metal button-sewing machine
metered fare
mine detection vehicle
mucous epithelium
multiple-image
neutron signal
notification of rights and student records
nudist community
over-award
ownin
papadum
PAPP-B
pentacrinite
poles of magnet
postal receipt
potassium sorbate
proboscis-like nose
psilostrophe
push-and-pull brace
resonant tunneling
RF output power
Sant'Ilario d'Enza
sassins
schlumbergeras
set-top
SFX
shelton jackson lees
stereocamera
supported metal catalyst
synanthrin
synchro control transformer
thermobatteries
touch all bases
unprecarious
urbanicity
variable inlet guide vanes
very-high-frequency omni-range (vor)
weighted integral
whole kit and boodles
yedinstvoes
Zammit's test