| 1. | The detector tube is filled with nitric oxide . 检测管中充满了氧化氮。 |
| 2. | We must use photocell as detectors . 我们必须用光电管作为探测器。 |
| 3. | A marine detector is a hydrophone . 海洋检波器是水中地震检波器。 |
| 4. | This leads us to the concept of arrays of detectors . 这就导致检波器组合的概念。 |
| 5. | Thermopile is usually a blackened thermal detector . 热堆一般是个涂黑了的热探测器。 |
| 6. | It is necessary to have special detectors to pick it up . 这需要用专门的探测器来测量。 |
| 7. | There are several different detectors in common usage . 有几种不同的检测器可供平常使用。 |
| 8. | The background count of the detector is 4~6 counts 1 min . 探测器的本底计数率为46脉冲1分。 |
| 9. | The detector is housed in a streamlined cylindrical container . 探测器安装在流线型圆柱形容器内。 |
| 10. | The detector must be operationally simple, reliable and robust . 探测器必须操作方便,可靠而牢固。 |