| 1. | How would the relative velocity be altered if b were ahead of a ?
假如B在A前面，那么相对速度怎样改变呢？ |
| 2. | As the relative velocity between the two layers is increased, waves are formed at the interface .
当两层流体之间的相对流速增加时，分界面成为波浪型。 |
| 3. | How would the relative velocity be altered if b were ahead of a
假如b在a前面，那么相对速度怎样改变呢？ |
| 4. | If you sit in the train , will feel the relative velocity between trains and buses
如果你坐在火车里,就能感觉火车和汽车的相对速度 |
| 5. | You can tell the relative velocity between the train and the car if you are in the train
如果你坐在火车里,就能感觉火车和汽车的相对速度 |
| 6. | Two - phase flow system is a complex , nonlinear and dynamic system . there are interface effect and relative velocity between these two phases
两相流系统是一个复杂的非线性动态系统，相间存在着界面效应和相对速度。 |
| 7. | And if the relative velocity of two inertial frames is constant , the compound pendulum in motion runs slower at a same factor than the resting one
两惯性系相对速度一定时，运动的复摆钟都比静止的钟慢了一个相同的因子。 |
| 8. | Stars , in contrast , seldom collide , so they maintain a wider range of relative velocities and put up more resistance to passing waves
相反的，恒星甚少发生碰撞，因此它们能保持较大的相对速度，并且比较能够抵挡波动来袭。 |
| 9. | It also analyses the structure , the testing principle of the radar , the method of measuring distance , relative velocity and azimuth
文中还研究了该雷达测试系统的测试原理，以及测量车间距离、两车相对速度和前车方位的方法。 |
| 10. | There are interface effect and relative velocity between the two phases , so the measurement of two - phase flow parameters is more difficult
两相流系统是一个复杂的非线性动态系统，相间存在着相对速度和效应，使两相流参数检测的难度较大。 |
