(sine 的复数) n. 正弦
[计] 正弦
plural of sine
n. ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle

Losing Weight Proves To Be Big Busines This is Science in the News in VOA Special English. I'm Shirley Griffith. And I'm Bob Doughty. Today we will talk about diet and weight loss. Exercise is important if you want to get in good shape. But experts s

发表于:2018-12-16 / 阅读(295) / 评论(0) 分类 2013年VOA慢速英语(七)月

EDUCATION REPORT - Everybody's Business: Summer Camps for Future C.E.O.'s By Nancy Steinbach Broadcast: Thursday, July 28, 2005 I'm Shep O'Neal with the VOA Special English Education Report. Many youn

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ECONOMICS REPORT - Business Organizations By Mario Ritter Broadcast: Friday, February 11, 2005 I'm Gwen Outen with the VOA Special English Economics Report. Businesses are structured in different ways

发表于:2019-01-30 / 阅读(293) / 评论(0) 分类 健康与经济

By Scott Bobb Kisumu, Kenya 26 February 2008 The violence that swept across Kenya following December's disputed elections severely affected the Kenyan economy, wiping out hundreds of businesses and hundreds of thousands of jobs. Kenya's third largest

发表于:2019-01-31 / 阅读(327) / 评论(0) 分类 VOA常速英语2008年(二月)

By Behnam Nateghi Washington 10 October 2007 A new digital community offers independent and unsigned bands a revolutionary promotional platform to showcase their talents. urSession.com, gives musicians from all over the world an opportunity to build

发表于:2019-02-02 / 阅读(247) / 评论(0) 分类 2007年VOA常速英语(十月)

Earthquake Science Still a Shaky Business The magnitude 5.8 earthquake that rattled the East Coast of the United States in August caught everyone - even geologists - by surprise. But even when there's reason to think an earthquake could be around the

发表于:2019-02-12 / 阅读(350) / 评论(0) 分类 VOA标准英语2011年(十月)
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