| 1. | Calibration specification for microphone preamplifiers 传声器前置放大器校准规范 |
| 2. | The auto - control of photometer preamplifier gain 分光光度计前置放大器自动增益控制 |
| 3. | Double - way high impedence prepositive amplifier for electrochemical test 双路高阻抗电化学测试前置放大器 |
| 4. | Acoustic emission preamplifier 声发射前置放大器 |
| 5. | Test procedures for amplifiers and preamplifiers used with detectors of ionizing radiation 电离辐射探测器用放大器和前置放大器的试验规程 |
| 6. | They can also be built with high - gam preamplifiers to close high - band - width velocity loops 他们也可由高通量前置放大器来实现高频度速率循环。 |
| 7. | Amplifiers and preamplifiers for semiconductor detectors for lonizing radiation , test procedures for 电离辐射半导体探测器用放大器和前置放大器的试验程序 |
| 8. | The set includes 3 hand - held probes with a built - in pre - amplifier covering the frequency range from 全套包括三个手持探头,探头内部安装了前置放大器,频率范围从 |
| 9. | Test procedures for amplifiers and charge - sensitive preamplifiers used with detectors of ionizing radiation 用于电离辐射探测器的放大器和电荷灵敏前置放大器的测试方法 |
| 10. | Nuclear instrumentation ; amplifiers and preamplifiers used with detectors of ionizing radiation ; test procedures 核仪表.使用离子辐射探测器的放大器和前置放大器.试验程序 |