1.
be directly [inversely] proportional to...
与…成正 [反] 比例
2.
a is in direct [inverse] proportion to B.
A 与B 成正[反]比例。
3.
A is in driect [inverse] proportion to B
A与B成正[反]比例
4.
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。
5.
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。
6.
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。
7.
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。
8.
The rate of N0 oxidation also increases proportionately with the square of the hydrocarbon concentration but inversely with the NO2 concentration.
NO氧化速率与烃浓度的平方成正比增加，而与NO2浓度成反比。
9.
The resistance of a conductor varies directly with its length, conversely withits cross-sectional area.
导体的电阻与其长度成正比，与其横截面积成反比。
10.
It is the direct proportion to passenger transport income and is the inverse proportion to passenger transport cost.
该指标与旅客运输收入成正比，与客运支出成反比。
11.
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
物体的加速度与所受的合外力成正比，与物体的质量成反比。
12.
Functional MRI Comparative Study of the Normal Children and Adult's Response Inhibition
正常儿童与成人反应抑制功能的fMRI比较研究
13.
(chemistry) the law that states the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances.
（化学定律）:化学反应的速度与其反应物质的分子浓度成正比。
14.
(4)The sustainable growth rate of a listed company is in inverse proportion to asset-debt ratio,but in direct proportion to current debt ratio as well as acid test ration(5)There is a positive correlation between the sustainable growth rate of a listedcompany and its profitability.
(4)公司可持续增长率与资产负债率成反比，与流动比率、速动比率成正比。
15.
3) The dot abrasion rate was opposite to the dot percentage and the dot abrasion quantity direct ratio the circle of the dot.
3)网点的磨损率与其面积百分比成反比； 网点磨损量与网点的周长成正比；
16.
The trains are never on time．Well，better late than never
火车从来不正点。咳，反正总比没有强吧。
17.
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
物体的加速度与所受的合外力成正比，与物体的质量成反比。加速度的方向与合力的方向相同。
18.
(physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
（物理）两个物体相互吸引的力度与其物质质量成正比但与其距离之平方成反比的定律。