剩余电阻比

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(115) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(136) / 评论(0)

数学英语

VOA标准英语2012--Cameroon Winning Battle to Reduce Malaria

Cameroon Winning Battle to Reduce Malaria Its a Monday morning at the Yaounde central hospital, and one of the busiest days of the week for the doctors and nurses who work here. Hundreds of sick people wait for their turn in one of the consultation r

发表于:2019-01-13 / 阅读(31) / 评论(0)

VOA标准英语2012年(八月)

VOA标准英语2012--Drug-Resistant Malaria Threatens Effort to Control Disease

Drug-Resistant Malaria Threatens Effort to Control Disease The biggest fear is the resistance will spread across Southeast Asia and then spill over into Africa, where the vast majority of the 700,000 deaths a year [from malaria] occur. Historically,

发表于:2019-01-13 / 阅读(40) / 评论(0)

VOA标准英语2012年(四月)

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(82) / 评论(0)

英语新闻

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(72) / 评论(0)

英闻天下

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acrobystia

ahemeral day

Amenophis III

as silly as a as a sheep