| 1. | Can you list some noninertial frames of reference ?
你能否举出几个非惯性参照系？ |
| 2. | There exists in the cosmos a preferred frame of reference .
宇宙中有一个从优参照系。 |
| 3. | We can only speak of rationality relative to a frame of reference .
我们只能相对于一种参照系来谈论合理性。 |
| 4. | Let us consider a reference system attached to the aircraft referred to above .
让我们来考虑一下设在上述飞机上的参照系。 |
| 5. | An inertial frames one in which any isolated body is unaccelerated .
惯性参照系，任何孤立物体在这种参照系中都没有加速度。 |
| 6. | The class of all possible motions is the same in all inertial frames .
在所有的惯性参照系中可能出现的运动全都是同一种类的。 |
| 7. | This frame of reference will be determined by the limitations on the rational man's knowledge .
这个参照系统决定于理性人知识的限制。 |
| 8. | Or your reference frame is at rest in an aircraft that accelerates rapidly on takeoff .
另外，你的参照系静止在一架起飞之后迅速加速的飞机上。 |
| 9. | Newton's first two laws hold only when observed in unaccelerated reference frames .
牛顿第一、第二定律只有在非加速的参照系中作观察时才是成立的。 |
| 10. | The importance of this problem lies in the fact that the earth is a rotating frame of reference .
这个问题十分重要，因为地球就是一个转动参照系。 |
