原形：proportional复数：proportionals

Eric claimed that the compensation was not proportional to his injuries.
埃里克宣称赔偿与其所受伤害不相称。
We are directly proportional.
我们是成正比的。
The tax rate is proportional to income.
税率与收入成比例。
The force applied is directly proportional to the distance traveled.
应用的力与行进的距离成直接比例。
The speed of sound is proportional to the square root of the temperature.
声速与温度的平方根成正比。
The cost of production is inversely proportional to the volume of output.
生产成本与产量成反比。
The size of the image is proportional to the focal length of the lens.
图像的大小与镜头的焦距成比例。
The risk of heart disease is proportional to the amount of smoking.
心脏病的风险与吸烟量成比例。
The brightness of a star is proportional to its luminosity.
星星的亮度与其光度成正比。
In a simple harmonic motion, the acceleration is proportional to the negative of the displacement.
在简谐运动中，加速度与位移的负值成正比。
The rate of chemical reaction is often proportional to the concentration of reactants.
化学反应速率通常与反应物的浓度成正比。
The strength of an electromagnetic field is proportional to the number of turns in the coil.
电磁场的强度与线圈的匝数成正比。