1.
Strain is proportional to stress.
应变量与应力成正比。
2.
The electric current varies directly with the voltage.
电流与电压成正比。
3.
Wages is out of step with the cost of living.
工资与生活费不成正比。
4.
The linear speed of ratio of a pulley is in proportion to its diameter.
滑轮的线速度比率与它的直径成正比。
5.
The law of electric current is that an electric current varies directly as the voltage and inversely proportional to the resistance.
电流定律就是：电流与电压成正比，与电流成反比。
6.
electric current is directly proportional to voltage and inversely proportional to resistance; I = E/R.
电流与电压成正比,与电阻成反比:I=E/r。
7.
An electric current varies directly as the electromotive force and inversely as the resistance.
电流的大小与电动势成正比，与电阻成反比。
8.
Pressure varies directly with temperature and inversely with volume.
压力随温度成正比例变化, 与容积成反比例变化。
9.
The more carBon the steel contains, the harder it Becomes.
钢的含碳量和钢的硬度成正比。
10.
your salary will rise proportionately to your workload.
你的工资将会和你的工作量成正比。
11.
The electric current varies directly as the voltage if the resistance is definite.
如果电阻一定，电流与电压成正比。
12.
10. With a given resistance, the current varies directly as the voltage.
在给定电阻情况下,电流和电压成正比。
13.
Fisher could be a jackass – it went hand in hand with his size.
这个蠢驴－蠢的和他的型号成正比。
14.
The actual stress is not proportional to the bending moment.
实际上应力与弯矩不成正比。
15.
The root system of the apple tree grows in proportion to the top.
苹果根系的生长与树冠生长成正比。
16.
1. The volume of a gas varies(directly) with (as) the temperature.
气体的体积和温度成正比。
17.
First, the volume is proportional to the number of moles.
第一，体积和摩尔数成正比。
18.
The amount of scattering will thus be proportional to the number of electrons.
于是散射辅射的量将与电子数成正比。