1. For a magnetic field, force per unit magnetic pole or current per unit length; for a gravitational field, force per unit mass; for an electrical field, force per unit charge or potential gradient.
    对于磁场来说，它是单位磁极所受的力或单位长度电流所受的力；对于重力场，为单位质量所受的力；对于电场，为单位电荷或单位电位梯度所受的力。

2.

2. The total penetration depth on per unit area was not sensitive to the charge ratio, only slightly increasing as the charge ratio increased.
    纸靶单位面积上的总穿深对装药比不敏感，随装药比的增大略成线性增大的趋势。

3. charge per unit

3. Within the remainder of the dielectric the net charge per unit volume remains zero.
    在电介质的其余部分，单位体积的静电荷仍为零。

4. Electric potential can be thought of as potential energy per unit charge.
    电势可比作每单位电荷的位能。

5. How dddtt. com do you charge per unit?
    你们每件要价多少呢？

6. The efficient thickness, which is defined as the electrode thickness corresponding to the minimum electrode polarization resistance, is formulated as a function of charge transfer resistivity, effective resistivity to ion and electron transport, and three-phase boundary length per unit volume.
    电极的有效厚度对应于电极性能最优时电极的理论厚度，经过模型计算表明此厚度同时为电荷转移电阻率、有效离子（电子）电阻率以及单位体积内三相线长度的函数。

7. charge per unit

7. With a fixed charge per unit of pollution, each discharger, if acting rationally, would choose to remove pollution up to the point where the cost of removing an additional unit was greater than the effluent charge.
    如果对每一个污染单位规定固定的收费标准，任何有理智的排放者当然会做出这样的选择：最多把排除污染做到这样一种程度，即排除一个附加污染单位的成本要高于排放收费。

8. As micro electronic and integrated circuit technique developing rapidly, micro-electronics, which utilizes electrons as charge carriers and studies transport properties of devices, has been encountering a series of difficulties such as quantum effects and sharp increase in energy consumption per unit area of devices.
    随着微电子技术和集成电路工艺的飞速发展，器件尺寸不断减小，以电子作为电荷载体、研究器件输运性质的微电子学面临着各种困难，比如器件的量子效应和单位面积发热量激增。

9. Sensible heat thermal storage has the advantage of good chemical and mechanical stability, but the heat storage amount per unit weight or volume is small, and temperature change is remarkable during heat charge-discharge process.
    显热储热一般具有机械稳定性好、方便等优点，但蓄热量较小，并且很难保持在一定的温度下进行吸热和放热等特点。

10. By the charge density we mean the per unit volume.
    所谓的电荷密度是指单位体积的电荷。

11. charge per unit

11. Infrared transmittance was also tested in the article when smoke composition granularity, density of powder charge, relative humidity, mass of the raw materials per unit volume were different in formula.
      文中还测试了发烟剂在原材料的粒度、装药密度、大气相对湿度、单位体积用药量不同时的红外透过率。

12. It is the amount of electric charge per unit volume.
      是电荷与体积的比值。

13. " The potential energy of a positive charge increases when it moves against an electric field, and decreases when it moves with the field. Electric potential can be thought of as potential energy per unit charge. " Discriminant analysis of MUP multi-parameters on different sort of MUP
      正电荷逆电场方向运动时，位能减少。电势可比作每单位电荷的位能。运动单位电位多项参数对不同类别运动单位电位的判别分析

14. The current is the charge flow per unit time.
      电流是每单位时间流动的电荷。

15. How much do you charge per unit?
      这种产品你们的批发价是多少呢？

16. The calculated results show that the charge weight per unit volume based on the tensile theory is identical with the practical one of the standard blasting crater.
      计算结果表明，对于标准爆破漏斗，按最大拉应力理论计算的炸药单耗与实际情况基本吻合。