| 1. | If the engine backfires, the sudden pressure in the intake manifold forces the valve back .
如果发动机回火，进气歧管骤增的压力就迫使阀门向后移动。 |
| 2. | Sometimes the stability is stated in terms of the added rearward travel possible without instability .
有时，稳定性是用重心从正常的后部位置再向后移动，但仍然保持稳定状态的附加移动量来判断的。 |
| 3. | In video disk , to advance by one frame either forward or reverse
在光盘中,向前或向后移动一帧。 |
| 4. | The propeller of an airplane forces air backward , developing thrust
飞机的螺旋桨迫使空气向后移动,于是就产生了推力。 |
| 5. | And add the following code to move backwards through the records
事件添加事件处理程序，并添加以下代码以在记录中向后移动： |
| 6. | Move to front or back
向前或向后移动 |
| 7. | If you move the execution point backwards , intervening instructions are not undone
如果向后移动执行点，则不撤消插入的指令。 |
| 8. | No ! this fig show in frequency spectrum , it also display at same time
在这个图中的会不会有个时间呢？它会不会向前或向后移动 |
| 9. | Moves back to the previously selected object in the selection history of the object browser
向后移动到“对象浏览器”的选择历史记录中的前一选定对象。 |
| 10. | Moves back to the previously selected object in the selection history of the object browser
向后移动到“对象浏览器”的选择历史记录中的前一选定对象。 |
