高密度资料

AS IT IS 2015-09-30 Glider Plane to Soar Stratosphere for Data Gliders are light aircraft that fly with no engine. They are pulled by a powered plane into the sky and set free to fly on air currents. They soar on wind currents called mountain waves.

发表于:2018-12-08 / 阅读(74) / 评论(0) 分类 2015年VOA慢速英语(九)月

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2018-12-19 / 阅读(51) / 评论(0) 分类 英闻天下

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Weve heard that a mothers weight during pregnancy can influence the weight of her offspring. Now a study of rats shows that the fat content in a moms d

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(十一)月

中文 英文 缩写 * (符) star (symbol) [美国]电气和电子工程师学会 Institute for Electrical and Electronic Engineers IEEE “请发码”信号

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 电信英语

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 阅读空间

The World Health Organization (WHO) is calling for action to fight all forms of malnutrition(营养不良), including under-nutrition and obesity, which affect hundreds of millions of people worldwide. More than 60 world nutrition(营养) experts

发表于:2019-01-11 / 阅读(88) / 评论(0) 分类 英语新闻

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2014年VOA慢速英语(九)月

DAVID GREENE, HOST: Senate Republicans are expected to unveil their version of a tax overhaul today. Like the House bill that's already moving along, the Senate version is being touted as a way to keep more money in Americans' pockets. But for millio

发表于:2019-01-16 / 阅读(119) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Hi my name is Jason Cornwell . I'm user experience designer at Gmail. We have been hardworked to update Gmail with a new look.I'm excited to share with you some of the biggest improvements. 大家好 我是Gmail的用户体验设计师Jason Carmel。经

发表于:2019-02-05 / 阅读(69) / 评论(0) 分类 英语万花筒

Theincrease inthenumbersofmarriedwomenemp- (50)loyedoutsidethehomeinthetwentieth centuryhadlesstodowiththe mechanizationofhouseworkandan increaseinleisuretimeforthesewomen thanitdidwiththeirowneconomic

发表于:2019-02-06 / 阅读(75) / 评论(0) 分类 英文语法词汇

Beijing government has vowed that by 2020 the city's annual average density of fine particulate matter (PM2.5) will have decreased by 30% from that of 2015. 北京市政府日前承诺,到2020年,该市细颗粒物(PM2.5)的年均浓度将比2015年

发表于:2019-02-06 / 阅读(105) / 评论(0) 分类 英语新闻

Air quality in 271 out of 338 prefecture-level or above citiesfailed to meet national standards on the Chinese New Year Eveto 6 am the next morning on Feb 8, primarily because ofpollution caused by firecrackers. 除夕至8日清晨6时期间,在全国

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 阅读空间

国际民航组织总部保留在蒙特利尔到2036年 OTTAWA, May 27 (Xinhua) -- Canada and the International Civil Aviation Organization (ICAO) Monday signed a new agreement to keep the UN agency's headquarters in Montreal for another 20 years aft

发表于:2019-02-08 / 阅读(210) / 评论(0) 分类 英语新闻

And then we decided to take New York as a test case, 后来我们决定拿纽约做实验案例, and we looked at Lower Manhattan. 研究曼哈顿下城。 And we mapped all the building area in Manhattan. 我们画出曼哈顿建筑区的地图。

发表于:2019-02-13 / 阅读(89) / 评论(0) 分类 TED演讲教育篇

When, in 1960, still a student, 1960年我还是学生时, I got a traveling fellowship 拿到出国留学的奖学金, to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国, We saw public

发表于:2019-02-13 / 阅读(60) / 评论(0) 分类 TED演讲教育篇

This year, TV makers are doing their best to give huge-screen fanatics more breathing room. New ultrahigh-definition sets were shown off Monday by LG Electronics, Sharp, Sony and Samsung Electronics at the international CES gadget show in Las Vegas.

发表于:2019-02-14 / 阅读(212) / 评论(0) 分类 英闻天下

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2019-02-14 / 阅读(60) / 评论(0) 分类 英闻天下

GRE阅读理解考查的范围非常广,不像填空、类比和反义那样注重基础和词汇量,而GRE考试的阅读又与其他考试中的阅读有很大区别,所以在技巧方法上也要区分对待。GRE阅读中多见长句,对理

发表于:2019-02-17 / 阅读(95) / 评论(0) 分类 GRE英语

One of the most impressive feats of muscular coordination in nature is the instance of a frog darting out its tongue in order to catch a fly. No matter how fast you are, you could never rely on plucking bugs out of the air to stay alive; but for frog

发表于:2019-03-06 / 阅读(134) / 评论(0) 分类 英语时差8,16
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