| 1. | Mutation are produced by a number of chemicals . 许多化学试剂能产生突变。 |
| 2. | Fig. 66 shows the sort of work produced by this process . 图66所示是用这种方法生产出来的工件。 |
| 3. | Phosphoric acid produced by the wet process is in the ortho form . 用湿法生产的磷酸呈正磷酸状态。 |
| 4. | He received a reply no doubt produced by analogous procedures . 他所得到的回答无疑也是这一类文稿。 |
| 5. | The radiation is produced by the coherent motion of electron streams . 辐射产生于电子流的相干运动。 |
| 6. | It was produced by mutual sacrifices of interests and opinions . 它是由利益与意见的相互牺牲所产生的。 |
| 7. | No matter what we eat or use , it is produced by the working people . 别管哪一样,都是劳动人民生产的。 |
| 8. | In wind instruments the sound is produced by a vibrating air column . 管乐器的声音是由振动的气柱产生的。 |
| 9. | Depolarization will be produced by the departure from perfect alignment of the domains . 短的非理想排列将产生退极化。 |
| 10. | The electronmagnetic wave is produced by microwave tubes called klystrons . 电磁波是由一种称为速调管的微波电子管产生的。 |