转子半径偏心距比

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(135) / 评论(0)

数学英语

租房好还是买房好

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(62) / 评论(0)

英语小短文

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(71) / 评论(0)

英闻天下

托福阅读备考之长难句分析

世界本没有长难句，修饰成分多了，便有了长难句。阅读速度大部分来于短时间内理解长难句的能力。大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？

发表于:2019-02-18 / 阅读(63) / 评论(0)

托福英语

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学英语单词

Archelon

atmospherical arc rectifier

back coupling oscillator