单词：high frequency cracks test
单词：high frequency cracks test 相关文章
Why Some People Are Poor The poverty line is the minimum income that people need for an acceptable standard of living.People with incomes below the poverty line are consisdered poor. As the general standard of living rises,the poverty line does,too.T
英语专业四级考试指南
今天我们分享5个实用又有效的方法，让你的英语发音更标准。我们会推荐优质的媒体内容、发音练习法和反馈资源，结合这几点，坚持下去，你的英语发音一定会大有提升。 怎么让英语发音更
英语音标发音视频
From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente
2018年VOA慢速英语(八)月
STACEY VANEK SMITH, HOST: Marijuana is now legal in almost 30 states. But even in those states, it is still illegal to drive while impaired by the drug. But as NPR's Rae Ellen Bichell reports, that's left law enforcement and scientists struggling to
2018年NPR美国国家公共电台1月
Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the
2011年VOA慢速英语(十)月
CNN Students News is getting started right now.Teachers,we want to remind you,it's always a good idea for you to preview our show. One report of today's program discussed a teen suicide and sexuality.That's story's coming up in a few minutes.I'm CA.L
CNN2011年(十)月
今天潘吉和Jenny要和大家讲讲怎么正确的学单词，提高自己的词汇量，并把这些词汇运用到平时的生活对话中。看看你的学习方法对了吗？ Vocabulary alone is not enough!!! 光有词汇量是不够的！ Ti
美国文化脱口秀
HEALTH REPORT – December 4, 2002: Test Warns of Heart Attack Risk By Jerilyn Watson This is the VOA Special English Health Report. Since the nineteen-fifties, American doctors have tested their pati
健康与环境
By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As
2007年VOA标准英语（九月）
High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are
VOA标准英语2014年(四月)
美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are taking aim at them as well. At issue
VOA双语新闻 2014年4月
TC Williams, the only public high school in the city of Alexandria, Virginia, is dealing with challenges. The school is known for its ethnic and cultural diversity but it has been named by Virginia's Department of Education as one of the lowest achie
VOA标准英语2010年(六)月
1. President Obama has officially launched his re-election bid. The two-minute video on his campaign website which doesn't feature the president calls for volunteers to start organizing for 2012. Obama's campaign is expected to file formal paperwork
美联社新闻一分钟2011(四月)
Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w
经济学人科技系列
视频在英语中常表示为： video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit
英语口语
QINGDAO, Shandong, Dec. 26 (Xinhua) -- China's largest rail vehicle maker, CSR Corp. Ltd, over the weekend launched its first test train that features speeds reaching up to 500 km per hour. The six-car train with a fairshaped head is the newest in th
英语新闻
Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,
英语新闻