单词：shielding effectiveness
单词：shielding effectiveness 相关文章
Alleged bomber was denied entry into Britain; but his name apparently did not come up on computer screens Tom Rivers | London 28 December 2009 The British government has confirmed that the young Nigerian man accused of trying to blow up a trans-Atlan
VOA标准英语2009年(十二月)
Topics: Movies-The Usual Suspects; Tribal Colleges and Universities; effectiveness versus efficacy; to consider and to differentiate; common responses to Thank you Words: usual suspect version limp to round up innocent notorious tribal to force reser
空中美语初级
By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide
VOA2003（下）-环境与健康
The growing trend towards online education here in China is starting to raise questions about its effectiveness, and its overall viability. While more and more people are choosing to take part in distance education in so-called Massive Online Open Co
世界各地新闻集锦
Topic1-Nine years after the plastic-bag ban In 2008, China initiated a national ban on the use of free plastic bags in supermarkets. 9 years later, the effectiveness of the ban is under fire. Environmentalists, congressional delegates, and even state
英语角-圆桌会议
The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi
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Your mood of the day depends on your choice You can choose to be happy And be lively throughout the day. You can share positive vibes all day. On the other hand, you can choose to be sad, Be sorrowful all day And it will affect your effectiveness in
瞬间秒杀听力
optimal effectiveness 最大成效 英文释义 An expression describing a condition in whichoperations are at their most efficient 例句 Some managers believe that six is the right number of members on a work team for optimaleffectiveness.有些经理
每日商务英语
Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib
VOA标准英语2011年(六月)
Doctors often use drugs in combination. Sometimes one medicine will enhance the effectiveness of another. Or a drug will have side effects that are eased by a different medicine. Now, researchers have found one drug that does both, and the name of th
VOA标准英语2010年(十)月
By Jessica Berman Washington 27 November 2007 Endemic cholera, a potentially fatal diarrheal disease found in the world's poorest countries, could be effectively controlled by orally vaccinating half of the affected populations once every two years f
VOA常速英语2007年（十一月）
The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi
英语听力文摘 English Digest
One of the biggest challenges in fighting tuberculosis comes from new drug-resistant(抗药性的) strains of the disease. And one of the main reason those strains have developed is that TB patients often don't take their standard, 14-pill, course of
英语新闻
correction phase of stock market 股市调整期 Correctional Services Industries Suspense Account 惩教工业暂记帐 corrective affidavit 修正遗产申报誓章 correspondent bank 代理银行 C
财会英语
今天我们要学的词是untested。 Untested, 没有经过测试的，没有经过考验的。最近，香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁， Several human vaccines for bird flu have been d
英语每日一词
今天我们要学的词是untested。 Untested, 没有经过测试的，没有经过考验的。最近，香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁， Several human vaccines for bird flu have been d
英语单词荟萃
今天我们要学的词是nutrition。 Nutrition, 营养。 The company was accused of misstating nutrition facts on the label, 这家公司被指控在标签上标注错误的营养成分。世界粮食计划署说， Food and good nutrition helps
英语每日一词
台湾籍旅美老师今天交给我们的句子是： Healthcare providers, too, can be required to change their practices in order to accommodate and cater to foreigners. A recent report on healthcare in developed countries ranked the US last in ef
留美老师带你每日说英文
Topics: Hip Hop Culture; The New York Stock Exchange; effectiveness versus efficiency; jilted; hence versus thus Words: hip hop DJ to rap graffiti breakdancing / breaking oppressive stock exchange stock trading floor NYSE Composite Index base value p
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