| 1. | While it is moving, it has the capacity for doing work .
当它在运动时，就具有做功的能力。 |
| 2. | When two metal parts move over each other, they will wear away rapidly .
当二个金属部件互在其上运动时它们将迅速地磨损。 |
| 3. | A changed particle moves along the lines of force of a magnetic field, spiraling as it goes .
带电粒子沿磁力线运动时就会发生回转。 |
| 4. | If a star has a companion, it will seem to wobble as it moves across the sky .
如果一颗恒星有一颗伴星，那么当它横越天空运动时，它似乎是摇来摆去。 |
| 5. | Another factor that affects the mass measurements is the frication effects on the beam movement .
另一个影响质量测量的因素是横梁运动时的摩擦作用。 |
| 6. | When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs .
当水流速度小于相应的起始运动时，将无泥沙运动。 |
| 7. | The same relation should hold when the source and receiver are at rest and the medium moves with velocity v .
当光源与接收器静止而媒质以速度V运动时，同样的关系式成立。 |
| 8. | In this chapter we develop the implication's of momentum conservation in the motion of a collection of particles .
在本章中，我们要揭示一个质点集体作运动时动量守恒的含义。 |
| 9. | In deducing the motion we will need to concern ourselves only with the component of angular momentum related to this axis .
在分析这种运动时，我们只需涉及在该轴方向上的角动量分量。 |
| 10. | The discussion has served to emphasize the important role the inertia tensor plays in the discussion of the motion of rigid bodies .
讨论强调了惯性张量在论述刚体运动时所起的重要作用。 |
