[化] 洛伦兹变换的双曲形式

麻省理工学院公开课：单变量微积分06：指数与对数函数导数、对数微分法

分集介绍：指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(335) / 评论(0)

VOA慢速英语2009-Economics Report - Obama Seeks Reforms in Fi

This is the VOA Special English Economics Report. On Wednesday, President Obama proposed major changes to rebuild government supervision of the financial industry. President Obama announces his plan at the White House BARACK OBAMA: So today, my admi

发表于:2019-01-11 / 阅读(41) / 评论(0)

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VOA慢速英语2012--Economics Report - Greece Struggles to Form Government, Unsure about Reform

Economics Report - Greece Struggles to Form Government, Unsure about Reform 经济报道 - 希腊进入第三轮组阁尝试改革前途未卜 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The Oly

发表于:2019-01-12 / 阅读(60) / 评论(0)

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Effective Investment Key to Economic Transformation

Participants take part in the discussion China's Changing Economy during the 2013 Fortune Global Forum in Chengdu, capital of southwest China's Sichuan Province, June 7, 2013. [Photo: Xinhua/Xue Yubin] China's economy is changing. While most particip

发表于:2019-01-19 / 阅读(51) / 评论(0)

世界各地新闻集锦

China's economic transformation "great": Luxembourg minister

China's economic transformation great: Luxembourg minister LUXEMBOURG, Nov. 6 (Xinhua) -- Luxembourg Minister of the Economy and Foreign Trade Etienne Schneider said on Tuesday China's economic transformation has been great. The invention and researc

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英语新闻

Pato cautious about form after injury

RIO DE JANEIRO, Feb. 28 (Xinhua) -- Corinthians striker Alexandre Pato admits he is still a long way off rediscovering the form that made him one of the world's most sought-after strikers. The 23-year-old scored his third goal in seven matches for th

发表于:2019-02-09 / 阅读(67) / 评论(0)

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aeronautical fixed telecommunication network (aftn)

attenuation characteristic