光学&天文学专业术语英语翻译
外海探勘 offshore exploration外海要素 offshore features注油器 oil feeder油孔 oil holes油准器 oil level glass油井 oil well雨量计 ombrometer全增进雷达预报 omni-gain radar prediction万向磁方向 omnibearing全向天线 omnidirectional antenna全向标杆 omnidirectional beacon全向雷达预报 omnidirectional radar prediction全向测距 omnidirectional range缩图器 omnigraph全向导标 omnirange锤测区 on soundings正航讯号 on-course signal联机调整 on-line debug连线作业方式 on-line mode1:63360比例尺地图 one inch map一测回 one position of the circle单节曝光 one stop system一一对应，精确套合 one to one correspondence单投影器法 one-swing method不透明度，遮蔽率 opacity语际翻译 版权所有
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