| 1. | Writing may retard the process of language change under certain conditions .
在某些情况下，文字可能延缓语言的变化。 |
| 2. | Under certain conditions of pressure and temperature in the trap, no gas is present .
在某些压力和温度的条件下，储油构造中不出现气体。 |
| 3. | From the evaporation of water, people know that liquids can turn into gases under certain conditions .
根据水的蒸发现象，人们认识到液体在一定条件下可以变成气体。 |
| 4. | A mean strain or prestrain, as in fig. 83, can under certain conditions reduce the subsequent fatigue life .
一个如图83所示的平均应变或预应变，在某种情况下，能够缩短以后的疲劳寿命。 |
| 5. | Which are invoked automatically by perl under certain conditions
， perl在某些条件下会自动调用它们。 |
| 6. | Under certain conditions , you may wish to purchase avast
在某种情况下,你可以直接通过alwil software购买avast |
| 7. | Under certain conditions , these algorithms are of good performance
经分析表明，这些算法在一定条件下均具有很好的性能。 |
| 8. | Of course , debate about theory should be advanced under certain conditions
当然，学理的讨论还是应该在一定条件下继续推进。 |
| 9. | Under certain conditions , the sqp - filter method is proved to be globally convergent
在一定的条件下， sqp -过滤器算法具有全局收敛性。 |
