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Beijing Geodetic Coordinate System 1954
释义
Beijing Geodetic Coordinate System 1954
Encyclopedia
工学
大地起算数据
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Beijing Geodetic Coordinate System 1954
1954北京坐标系
在中华人民共和国成立初期,通过与苏联大地网联测,将中国的一等锁于1953年与苏联远东一等锁相连接,大地坐标是通过两国联测的呼玛、吉拉林基线网以及东宁基线网附近北朝阳堡、鲁明台按普兰尼斯-普拉尼维奇法,以角度为元素在高斯面上平差传算坐标,利用当时中国东北地区部分一等三角锁进行局部平差而确定的坐标系。
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wireless chnanel
wireless city
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wireless communication channel emulator
wireless communication integrated test instrument
wireless communication network
wireless communication security
wireless communication system of urban rail transit
wireless communication test instrument
wireless data link relative navigation
wireless data transmission
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