| 1. | A recorder pen makes a mark on a chart . 记录器的笔在记录卡上划一个记号。 |
| 2. | Greenhouse temperature is checked with recorders . 温室温度可用记录器检验。 |
| 3. | Multifunctional video tape recorders sell well . 多功能录像机一直在市场走俏。 |
| 4. | The recorder trace is a series of inverse peaks . 记录器扫迹是一系列相反的波峰。 |
| 5. | He probably had a recorder going at this moment . 说不定现在他的录音机正开着呢! |
| 6. | This tape recorder is very reliable . 这架录音机很好使。 |
| 7. | The recorder was not plugged in . 录音机的插头没插上。 |
| 8. | He disported among books , radio and tape recorder . 他以读书、听收音机和录音机自娱。 |
| 9. | No , that is my radio . where is your tape recorder ? 别,那是我的收音机。你的录音机在哪儿呢? |
| 10. | Ultra-violet recorders consist in principle of geophones . 紫外线振动记录器的原理与听地器相似。 |