“1954北京坐标系”的概念、定义、翻译、参考文献-科学参考

单词	1954北京坐标系
释义	1954北京坐标系 Encyclopedia 工学大地起算数据释 Beijing Geodetic Coordinate System 19541954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。
随便看	radiation induced graft copolymerization radiation-induced graft copolymerization radiation induced grafting radiation induced mutation radiation-induced mutation breeding radiation induced polymerization radiation-induced polymerization radiation induced radical polymerization radiation-induced radical polymerization radiation induction radiation induction; radiation initiation radiation-initiated crosslinking radiation initiation radiation injury radiation injury of skin radiation instrument for rock & mineral analysis and test radiation intensity radiation intensity measurement radiation interception radiation inversion radiation ionization effect radiation ion polymerization radiation isodose curve radiation laboratory radiation length

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。