四倍的

We've seen an increase of fourfold in our community in terms of general assistance, 30 percent increase...

我们看到我们的社区在一般性协助方面四倍的增长，30%的增长。。。

You'll be working four times as hard.

你要以四倍的努力工作。

The population kurtosis is given by the fourth moment over the square of the variance.

最常用的峰度是四倍的动差乘上变异数的平方。

They have now multiplied sixfold since 2002, compared with the fourfold increase of the 1973 and 1974 "oil shock" that ended the world's long postwar boom.

他们现在成倍增加六倍，自2002年以来，相对於增加了四倍的1973年和1974年"石油冲击"，结束了世界的长期战后繁荣。

"You are a philosopher, Thrasymachus," I replied, and well know that if you ask a person what numbers make up twelve, taking care to prohibit him whom you ask from answering twice six, or three times four, or six times two, or four times three,'for this sort of nonsense will not do for me,'--then obviously, that is your way of putting the question, no one can answer you.

"你才是哲学家，斯拉斯马科斯，"我答道，而且是那种因先问人多少组成十二然后又不准人回答二倍的六、三倍的四、六倍的二、四倍的三并视'诸如此类的这些答案对我毫无意义'而著名的哲学家——很显然，这就是你提出问题的方式，当然没有人能回答你的问题。

These include a decrease in sperm production by almost 50 percent, a three- to four-fold increase in testicular cancer, an increase in the incidence of cryptorchidism (undescended testes, a condition where the testes are not in their normal location in the scrotum) and hypospadias.

这些还包括：精子产生量下降大约50%，三倍到四倍的睾丸癌发病率，隐睾症发病率增高（没有下降的睾丸，睾丸没有在阴囊中的情况）、尿道下裂。

It has been bartered for tea and silk,and is worth more than four times its weight in silver.

它被用来交换茶叶和丝绸，并且比重于四倍的银还要值钱。

Remember that the force required to overcome drag quadruples when doubling the speed, and what impact that have on aircraft weight.

记住当时军队要求在速度翻倍的情况下克服四倍的反作用力，并且飞机的重量对此有影响。

The startling numbers conjure up images of mass migrations and the trebling or quadrupling in size of big cities such as Beijing,Shanghai and Guangzhou.

这令人震惊的数量让人联想到大量的移民和比北京，上海和广州大三到四倍的大城市。

NB…Some might find it easier to double or even quadruple the scale while drawing the picture.

注。。。有些人可能会发现很容易双倍甚至四倍的规模同时提请图片。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。