| 1. | Study on striped leveling staff precision test system
条码型水准尺精密检测系统的研究 |
| 2. | Precision test gauge , accuracy class 0 . 6
高精度校验表，精度等级0 . 6 |
| 3. | Precision test gauge , accuracy class 0 . 1
高精度校验表，精度等级0 . 1 |
| 4. | The precision test gauges have a high - grade measuring element
高精度校验表有高等级的测量元件。 |
| 5. | The precision test gauges have a high grade measuring element
高精度校验表有高等级的测量元件。 |
| 6. | Field procedure for precision testing of surveying instruments ; levels
测量仪器精度检验的野外作业法.水准仪 |
| 7. | Field procedure for precision testing of surveying instruments ; gyroscopes
测量仪器精度检验的野外作业法.陀螺仪 |
| 8. | Field procedure for precision testing of surveying instruments ; theodolites
测量仪器精度检验的野外作业法.经纬仪 |
| 9. | The realization of a high precision test system for railway safety relays
一种铁路安全继电器高精度测试系统的实现 |
| 10. | Field procedure for precision testing of surveying instruments ; general information
测量仪器精度检验的野外作业法.一般信息 |
