proportional中文什么意思

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
+更多解释...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。

• be proportional to:    与...成比例
• proportional to:    成正比; 与...相称，与...成比 ...
• a is positively proportional to:    成正反比

例句与用法

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1. 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。
2. 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。
3. 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。
4. 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。
5. 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。

英文释义

名词

1. one of the quantities in a mathematical proportion

形容词

1. 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
2. having a constant ratio