| 1. | On a submarine there was no more precise rangefinder .
在潜艇中，没有比他们更精确的测距仪了。 |
| 2. | As the range dropped to four thousand, the option to surface was dimming .
等到测距降到四千码的时候，升上水面的机会就暗淡了。 |
| 3. | Aerodist is a useful equipment for secondary breakdown, but not for primary control .
航空微波测距仪是测定二等补充网的有效仪器，但不能用于一等控制网测量。 |
| 4. | It can be carried out with microwave equipment at a season when visibility may make anything else impossible .
在通视情况使得其它仪器都无法应用的季节内，可用微波测距仪测量。 |
| 5. | The geodimeter measurements executed in april also disclosed very rapid and complicated horizontal crustal movements .
四月份进行的光电测距仪测量也揭示水平地壳运动是非常快而复杂的。 |
| 6. | The original radar combined these two things, as its english name radar showed: radio detection and ranging .
最初的雷达正如它的英文名称“雷达”（RADAR）所表示的那样，包括两个方面：无线电测物和测距。 |
| 7. | Laser range finder based on phase shift measurement
提高相位激光测距精确度的研究 |
| 8. | Ultrasonic measurement system based on microprocessor
基于单片机的超声波测距系统 |
| 9. | A new method of laser range finder based on dds and dsp
的一种新的激光测距方法 |
| 10. | Realization of laser range finding based on phase
一种基于相位测量的激光测距方法 |
