扩频随机存取

摘要:和平与发展是当今时代的主题。但是在一片和平的氛围中也有一些不和谐的因素,许多地区仍然有战乱,而这些战乱地区的孩子们加入了和平教育项目,即在各种正式与非正式的教育机

发表于:2018-12-03 / 阅读(148) / 评论(0) 分类 英语听力小短文走遍全世界

SCIENCE IN THE NEWS - Diseases Spread by Mosquitos By Nancy Steinbach Broadcast: Tuesday, January 25, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VO

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 科技之光

If youre like most people, computers are becoming a part of your life, and it helps to know how they work. They seem complicated inside. But by understanding just a few parts, you can see a simpler side of computers. This is Computer Hardware In Plai

发表于:2018-12-11 / 阅读(164) / 评论(0) 分类 英语解说豆知识2009年

A Web-based experiment in which an idea was planted found greater penetration and more rapid spread of the idea in a dense network of participants with overlaps compared with in a loose network. Cynthia Graber reports 一项基于网络的实验表明,

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 60秒科学

By Carrie Giardino The government of Chad is calling for international assistance to fight a cholera outbreak in the country. The World Health Organization says it is concerned that the disease could

发表于:2019-01-03 / 阅读(151) / 评论(0) 分类 VOA2004(下)--健康科技

WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

发表于:2019-01-03 / 阅读(186) / 评论(0) 分类 电信英语

Diseases can spread quickly. Someone with a cold infects a few casual contacts, who in turn infect others. Ideas can also spread that way, along so-called random networks. But Damon Centola at MIT says that ideas and beliefs spread faster and more ef

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(九)月

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 Scientific American(二)月

By Sean Maroney Washington 21 February 2007 watch OnLine Information report Online Information An elite few -- newspapers, television networks, major corporations -- used to control the bulk of information. But with the spread of the Internet, more

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2007年VOA标准英语(二月)

African Music, Interactive Media At Texas Festival At this booth sponsored by the independent music exporters of South Africa, or IMEXSA, South by Southwest participants were able to learn about what that country has to offer. Organizer Renneth Tschi

发表于:2019-01-14 / 阅读(205) / 评论(0) 分类 VOA标准英语2013年(三月)

SCOTT SIMON, HOST: Meeting your college roommate used to be one of the anxieties of the first week of school - but if you'd been paired with B.J. Leiderman, who writes our theme music. But these days, many freshmen meet in advance online and arrange

发表于:2019-01-16 / 阅读(166) / 评论(0) 分类 2018年NPR美国国家公共电台4月

Customer: So can you fix it? Sales Clerk: Im sorry sir. This computer is not broken or damaged. Its simply just too old! Thats why your programs and applications are running slow. There really isnt much I can do. Customer: What do you mean? I bought

发表于:2019-01-20 / 阅读(121) / 评论(0) 分类 纯正地道美语

电脑英语--常见硬件篇 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-01-26 / 阅读(156) / 评论(0) 分类 实用英语

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(152) / 评论(0) 分类 英语每日一词

Business people who have a shop, office or restaurant in the CBD (Central Business District) of Christchurch want access to their business. Most of the CBD has been closed since the earthquake in February. The Head of Civil Defence says it is too dan

发表于:2019-02-05 / 阅读(166) / 评论(0) 分类 新西兰英语

By Lisa Schlein Geneva 05 November 2007 Director-General of the World Health Organization says people in poor countries should not be denied medicine they need to treat illnesses such as HIV/AIDS and tuberculosis because of the cost. Lisa Schlein rep

发表于:2019-02-05 / 阅读(152) / 评论(0) 分类 VOA常速英语2007年(十一月)

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(174) / 评论(0) 分类 天天商务口语

Glossary for Telecomunications This glossary helps explain some of the acronyms and technical phrases Bluetooth A short-range wireless technology designed to allow connection of portable devices in a wire-free manner. For example connection of a wire

发表于:2019-02-18 / 阅读(172) / 评论(0) 分类 实用英语

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(123) / 评论(0) 分类 实用英语

We expect companies selling products to make them as available as possible. But now some of them are bringing back rationing. As you might expect, it's all part of a plan to make us spend more, not less. Once upon a time, goods were scarce, and hard

发表于:2019-02-21 / 阅读(131) / 评论(0) 分类 英语听力精选进阶版
学英语单词
acclimatization camp
Adapid group
aerophil
agricultural vegetation index
al pacino
amphisolenia bidentata
Antrain
Arikabe
axial-piston hydraulic motor
backward resorption
bad breath
band-gap laser action
banjo barometer
basic human needs
bicuspid
big of
cake-maker
ceress
Chernyshevsk-Zabaykal'skiy
combine baler
come into someone's notice
comes out
condylomas
cross cut shears
crystal glaze
cutoff meander spur
dean's office
demulsified
Difetoin
dohter
driving sheave
duplicate part
electronic image forming tube
endemoniasm
excitons and related phenomena
fall into a depression
Five Dunes
Folin's method
hepaticocholangio-jejunostomy
histocompatibility loci
hookworm
hyperacusic
If a good man thrives, all thrive with him.
imaginably
indenture between apprentice and master
inflation bottle
irenina selaginellae
legacy applications
Lempert operation
licentia poetica
lipide
low-flux reactor
madrono
main steamline valve bypass
maschaliatria
mediatenesses
minimum stress
monthly mean level
moon roofs
multi-segment index
Muscovians
ninemile pk.
onomatopoeial
opephora pacifica
orites excelsas
out-of-commission
parki
phase discrimination telegraphy
precocious puberty
press manager
progressive display
prophylactic sera
quasiprotein
raster irregularity
reading up on
rebbetzin
recombination radiation spectrum
road classification
Saar(Sarre)
scanning slit plane
scull
shape-memory alloy
singular chain
snaggly
solid-cored carbon
source density
space statistics
Spirochaeta plauti-vincenti
splenogranulomatosis siderotica
sporterizing
square survey mile
stable fission product poisoning
Tiguvon
Torilis Adans.
tormentor
torsiversion
tritosternal base
turnippy
two-wire circuit
unexplicitly
walk effect
zalokar