偏心盘传动，凸轮传动

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

与know有关的口语表达

说起know这个词，我们大概不用过脑子就能说出它是知道的意思。不过，在不同的语句中出现的时候，这个词表达的意境也不尽相同，比如下面这些句子： 1. To know everything is to know nothing。样样

发表于:2019-01-08 / 阅读(96) / 评论(0)

英语日常口语

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

如何说“啃老族”？

啃老族是当今紧张而忙碌生活的产物。有这样一个句子：这个啃老族已经30岁了，但仍然依靠他的父母生活。有人是这样翻译的: This Neet is already 30 years old but still lives on his parents. 其实严格地说

发表于:2019-02-05 / 阅读(41) / 评论(0)

实用英语

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

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学英语单词

accumbrance

adiabatic dehydrogenation

agglutination of spermatozoa

Ambulong

arachniodes quadripinnata

automatic programming recording (apr)