| 1. | ρa=kv/i is a complex physical quantity.
aKVI是一个复数物理量。 |
| 2. | Another important quantity describing the radiation field is its intensity .
还有一个描述辐射场的重要物理量是辐射强度。 |
| 3. | It is this fact that makes pressure so useful a quantity in physics .
就是因为这个性质，使压强成为一个非常有用的物理量。 |
| 4. | A physical quantity that is transformed in this manner is a second-order tensor .
能够以此种方式变换的物理量叫做二秩张量。 |
| 5. | The spirit of vector analysis is to use symbols to represent physical or geometric quantities .
向量分析实质是用符号来代表物理量或几何量。 |
| 6. | The real part of the final expression is understood to represent the physical quantity in question .
最后式子的实部被理解为代表所求的物理量。 |
| 7. | Force is not the only physical quantity which requires the specification of a direction in space as well as a magnitude .
需要表明大小和方向的物理量，不只是力。 |
| 8. | As with many other physical quantities, the mass of a body can be measured in several different ways .
如许多其他物理量一样，物体的质量可用几种不同的方法来测量。 |
| 9. | Name a physical quantity other than temperature that rends toward equalization when two systems are brought into contact .
试举出温度之外的另一个物理量，当两个系统相接触时，该物理量也趋于均匀。 |
| 10. | This idea of the dimension of geometrical concepts is obviously related to the units of measurement of the corresponding physical quantities .
几何量的这种量纲概念，与对应的物理量的计量单位有明显的联系。 |
