| 1. | Specifications for long range electro - optical distance measurement 远程光电测距规范 |
| 2. | Design of rf module in industrial radar for distance measurement 工业测距雷达射频电路设计 |
| 3. | Two kinds of method for distance measurement of the small aircraft 小型飞行器距离测量的两种方法 |
| 4. | Specification for short to medium ranges electro - optical distance measurements 中短程光电测距规范 |
| 5. | Specifications for short to medium ranges electro - optical distance measurements 中短程光电测距规范 |
| 6. | Electronic distance measurement instrument 电子测距仪 |
| 7. | Development of an ultrasonic distance measurement system with high precision 一种高精度超声波测距系统的研制 |
| 8. | Distance measurement with fixed angle 定角测距 |
| 9. | Electronic distance measurement 电子测距法 |
| 10. | An ultrasonic distance measurement system of educational robot design and achieve 教育机器人超声波测距系统的设计与实现 |