... optical search mode 光学搜索方式 optical ship tracking system 舰船光学跟踪装置 optical simulation of harbor entrance 海港入口光学模拟 ...
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The theodolite designed for measure ship is a special optical equipment based on TV tracking and measuring for the use of navigation orientation system.
船载经纬仪是远洋航天测量船导航定位系统专用光学测量设备。
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