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| laser linescan system (一种主动的机载图像记录系统，以激光作为基本照明源，它在飞机飞行时扫描地面并记录连续的轨迹线。这个系统类似于红外扫描，它用激光来代替红外线) | |||
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激 光线扫描系统 : 2 phrases in 1 subject |
| Aviation | 2 |
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