音标与读法

这里为大家介绍下proportional 是什么意思，希望能帮助到各位朋友。

音标：[ prə"pɔ:ʃənl ]名词复数:proportionals

中英文翻译

adj.

(成)比例的；相称的，平衡的，调和的 (to)。 a proportional number 比例数。 a proportional error 相对(比例)误差(率)。

n.

【数学】比例项，比例量。 be directly [inversely, reciprocally ] proportional to 与…成正[反]比例。

n.

-ist

1.主张实行比例代表制者。

2.(人力、物力等的)分派比例的安排者。

adv.

-ly

按比例地，相应地，相配合地；比较地。

one of the quantities in a mathematical proportion

properly related in size or degree or other measurable characteristics; usually followed by `to""; "the punishment ought to be proportional to the crime"; "earnings relative to production"

同义词：relative,

having a constant ratio

例句与用法

1.Strain is proportional to stress .

应变量与应力成正比。

2.First, the volume is proportional to the number of moles .

第一，体积和摩尔数成正比。

3.The actual stress is not proportional to the bending moment .

实际上应力与弯矩不成正比。

4.The value of a fraction is inversely proportional to that of the denominator .

分数值与分母值成反比例。

5.Other proportional feedback signals are generated from rate gyros .

其他的比例反馈讯号是由速率陀螺产生的。

6.The amount of scattering will thus be proportional to the number of electrons .

于是散射的量将与电子数成正比。

7.The length of the chain molecule is proportional to the kinetic chain length .

链分子的长度与动力学链长成正比。

8.The velocity of the fluid is inversely proportional to the spacing of the steamlines .

流体的流速与流线的间距成反比。

9.The values for the stresses are assumed to be linearly proportional to the pressure .

这些应力值被假定为与压力成线性比例关系。

10.The information content is then proportional to the bandwidth of the imposed variation .

此时信息容量正比于所载入的变化的带宽。

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