 |
主纵线
| 比例尺
| 主纵线 | |
| rem.sens. | principal line |
| 比例尺 | |
| avia. | calibration frame |
| compr. | proportional scale |
| hydroel.st. | measure; measuring scale |
| met. | graduated scale; measuring rule; rule; scale factor |
| tech. | scale |
| |||
| principal line | |||
| 主纵线: 6 phrases in 3 subjects |
| Remote sensing | 2 |
| Space | 1 |
| Technology | 3 |
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