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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
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
Compatible - When one object can be used interchangeably with another. Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the
今天我们要学的词是 resume. Resume 动词,意思是恢复、重新开始。Classes have resumed at the Florida school where 17 people were killed in a mass shooting nearly two weeks ago. 两周前发生了一起大型枪击案导致17人丧生
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
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