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1·Loss of weight is directly proportional to the rate at which the disease is progressing.

体重减轻和该病的发展速度成比例。《柯林斯英汉双解大词典》

2·It is found that the canonical momentum is directly proportional to the gradient of space phase.

发现正则动量与空间相的梯度成正比。

3·It is directly proportional to your age.

那和你的年龄直接成正比。

4·It is directly proportional to the square of the aperture.

它直接与孔径的面积成正比。

5·But hope is and I can pay is directly proportional to the labor.

充满希望的旅行比到达终点更好，而真正的成功是付出的劳动。

6·The ideal aspiration often is directly proportional to his ability.

人的理想志向往往和他的能力成正比。

7·Processing cost is directly proportional to the size of the message tree.

处理成本与消息树的大小之间存在直接的正比关系。

8·The water-flow in fracture is not directly proportional to the waterhead.

裂缝水流量与水位不呈正比关系。

9·The aspirations of people usually directly proportional and their potential.

人的志向通常和他们的潜质成正比例。

10·This is often directly proportional to the time that they spent on the project.

降低的幅度与他们在项目上花费的时间成正比。

正比的

1·The undeniable fact is that the amount of advertisement and economical development is directly proportional.

不可否认的事实是﹐广告的多少是和经济发达的程度成正比的。

2·Johnson wrote: one man 's ideal aspiration is often directly proportional to his ability.

约翰逊的名言中写到过：人的梦想志向往往和他的能力成正比。

3·The intensity of the bioluminescent signal was directly proportional to the AHL concentration.

生物发光信号的强度与AHL的浓度成正比。

4·But because the extension of the rubber band is not directly proportional to the external force, the scale of the rubber band can not be divided equally.

但由于橡皮筋的伸长与所受外力不成正比，故不能等分地进行刻度。

5·As the saying goes, you get what you pay for, the prices are directly proportional to service standards.

俗话说得好，“一分钱一分货”，星级酒店的消费价格及服务标准是成正比的。