边际比率

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

VOA慢速英语 2007 1106a

AGRICULTURE REPORT - Farming Marginal Lands By Mario Ritter / Broadcast: Mon, 5 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. An Australian farmer stands on land damaged by lack of rain last year To call land marginal mea

发表于:2019-01-11 / 阅读(192) / 评论(0)

VOA慢速英语2007年（十一）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(71) / 评论(0)

英闻天下

经济学人:信息不对称之柠檬市场理论与效应(下)

Signalling explains all kinds of behaviour. 信号行为能够解释各种各样的行为。 Firms pay dividends to their shareholders, who must pay income tax on the payouts. 企业给股东支付红利，股东必须为这笔支出缴纳收入税。

发表于:2019-02-17 / 阅读(47) / 评论(0)

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学英语单词

abatee

accelerator-produced radionuclides

aerial bust

algebraic plane curve

auto decrement deferred index

Beslakhuba

bicycle-built-for-twoes