| 1. | 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。 |
| 2. | 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。 |
| 3. | We now wish to determine the lengths of these rods when viewed from a moving reference frame .
现在我们想确定，当从运动的参照系看时，这些杆有多长。 |
| 4. | It is an established convention to speak of the fixed stars as a standard unaccelerated reference frame .
把固定的恒星说成是标准的非加速参照系，这是一种已经确立的习惯。 |
| 5. | This equation describes the transformation of the determinant 9 from one reference frame to another .
这个方程式给出了从一个参照标架转到另一个参照标架时行列式9的变换式。 |
| 6. | It is particularly important to understand forces that act in a reference frame in circular motion .
特别重要的是，我们一定要搞清楚在作圆周运动的参照系中起作用的那些力。 |
| 7. | This proves that any tensor equation which holds true in one reference frame is also true in any other frame .
这证明了在一个参照标架中成立的任一张量方程，在另一参照标架中也成立。 |
| 8. | Deduction of bernoulli equation at non - inertial reference frame
非惯性参照系下的伯努利方程式的推导 |
| 9. | Datum reference frames
基准参考框架 |
| 10. | Natural reference frame
自然参考架 |
