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自准直目镜
加载在目视设备上一种可更换的望远镜目镜。仪器换装了自准直目镜后,具有自准直功能。可以用来传递角度,也可以进行直线度、平面度测量。
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investigational new drug
investigation and control of funds for economic crimes
investigation and evaluation of Chinese water resources and their exploitation and utilization
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Investigation of a little bird named Turlipan
investigation of basic farmland
investigation of disease natural history
investigation of drug crimes
investigation of earth materials
investigation of fishery environment
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