...光扫平仪激光标线仪激光垂准仪手持GPS接受机手持激光测距仪激光测距望远镜对讲机(Two-way Radio)GPS接收机测距仪(Ranger Finder)经纬仪(Theodolite)水准仪(Level)全站仪(Total Station)杭州婚纱照价格合肥婚纱摄影科维TKS-20拓普康IS系列全拓普康3D全站仪拓普...
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Laser ranger finder is prohibited to lase to personnel or animals to avoid burning eyes.
激光测距机严禁对人员或动物发射激光，以免灼伤眼睛。
The paper described principle, signal processing and error analysis of two-longitudinal modes and two frequencies laser's precision ranger finder.
介绍了一种双纵模双频激光精密测距的工作原理，信号处理及误差分析。
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