3D datum transformation 大角度坐标转换
datum transformation parameter 基准转换参数
During conversion, the conversion models determined by datum transformation and errors from the GPS computation by incorrect coordinates of the reference station under WGS-84 datum will surely have influence on datum transformation.
进行坐标转换时，由基准转换确定的转换模型和参考站不是WGS-84基准下的正确坐标所致的GPS计算误差，必将对基准转换产生影响。
参考来源 - GPS在路桥工程测量中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Three dimensional nonlinear datum transformation is widely used in geodesy and photogrammetry.
三维基准转换广泛应用于大地测量和摄影测量。
Through studying the relationship between space vectors of different coordinate systems, a new model of three-dimensional datum transformation is proposed.
从空间几何角度出发，利用空间向量的关系研究坐标转换，提出一种新的三维基准转换模型。
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