| 1. | This is alternating current .
这就是交流电。 |
| 2. | Either direct or alternating current may be used for driving electric trains .
直流电和交流电都可用来驱动电气火车。 |
| 3. | The beating of heart induces alternating currents in the surrounding tissues .
心脏的搏动在其周围组织中感应出交流电流。 |
| 4. | This simple device is the prototype of the commercial alternating current generator, or alternator .
这个简单装置就是商用交流发电机的原型。 |
| 5. | This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter .
这种高频交流电流产生前一章提到过的高频无线电波。 |
| 6. | The difference between a direct and an alternating current is that a direct current always flows in one direction .
直流电和交流电的区别在于直流电总是向一个方向流动。 |
| 7. | High - voltage alternating current switch - fuse combinations
高压交流开关熔丝组件 |
| 8. | Microcomputer alternating current resistivity instrument
微机化交流电阻率仪器 |
| 9. | Alternate currents make people feel it ' s unstable
交流电总给人一种不稳定的感觉。 |
| 10. | High - voltage alternating current circuit - breakers
交流高压断路器订货技术条件 |
