建立起以“度”为单位的坐标系统和“1:50万”比例尺坐标系统的两套鲁西地区金矿评价信息数据库。
Two gold deposit evaluation information databases are set up in western Shandong, such as coordinate system with "degree" as its unit and coordinate system with the scale of 1.
建立起以“度”为单位的坐标系统和“1:50万”比例尺坐标系统的两套鲁西地区金矿评价信息数据库。
Two gold deposit evaluation information databases are set up in western Shandong, such as coordinate system with "degree" as its unit and coordinate system with the scale of 1.
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