The country aims to reduce the ratio of infants dying before their first birthday to 50 per 1,000 live births or five percent.

VOA: standard.2009.11.10

And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

We had a similar, even higher price-to-earnings ratio of about forty-six at the peak in 2000 and it corrected way down.

000年时我们的市盈率甚至更高,达到了46,后来经过修正降低了

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It is about 10,000 to one, the ratio 10000 of the nuclear dimension to the entire atomic dimension.

原子核和整个原子的大小比例,约为1：

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So, they had the ratio of two to one, which gave them the octave, and three to two, which gave them the fifth, and four to three, which gave them the fourth.

他们发现,八度音程中,呈现的是二比一的比例,而五度音程中呈现三比二的比例,在四度音程中则呈现四比三的比例

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log We're going to have the ratio of temperatures T1 and the ratio of these logs.

和这些,最后可以得到等于T2除以。

麻省理工公开课 - 热力学与动力学课程节选

Part of--this is the--it's not loan-to-value ratio-- this is the ratio of mortgage debt to personal consumption expenditure.

这并非贷款价值比率的问题,一定程度上,是抵押率的问题,即负债对个人消费支出的比率

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That is why we don't worry about the motion of the nucleus 1 because the ratio of mass is about 2,000 to one.

这就解释了为什么我们不担心,原子核运动起来,因为原子核和电子的质量比约为2000：

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The history of mortgages is that they have generally over time gotten more easy on loan-to-value ratio and also on maturity.

从抵押贷款的历史来看,随着时间推移,抵押贷款,对于贷款价值比和期限越来越宽松

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It is the ratio of the Planck constant to its momentum .

那就是普朗克常量,比上它的动量。

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There are lots of costs, so you want to have a loan-to-value ratio, which is sufficiently low, that the collateral will cover the value of the loan.

那是一大笔开销,因此你要设定一个足够低的,贷款价值比率,使得抵押物价值能够为贷款提供保障

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He measured the charge to mass ratio of the electron.

他测量了电子的荷质比。

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So, typically the ratio of price-to-earnings has been about fifteen.

市盈率一般来说是为15

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We had an extraordinarily high price-to-earnings ratio representing a lot of optimism in the '20s for the stock market and then it corrected and went abruptly downward-- that was The Great Depression.

在二十年代,市盈率高得离奇,表现了当时人们对股票市场的乐观,当其得到修正并突然下跌时,大萧条便开始了

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Incidentally, did I ever--equity equals shares or stock, so when I talk about debt-equity ratio, I'm talking about the ratio of the value of the company's debt to the value of all of its stock.

顺便说下,普通股就是股票,负债权益比就是,就是公司负债价值,除以股票总价值

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