数控机床基准点的故障分析与排除
GPS测量基准点坐标转换的探讨
宝钢高程监测系统及沉降观测基准点探讨
综合性：全球化背景下农民收入提高的基点
1·The cause and rule of deformation of datum point are analysized by data of repetition. Finally, some useful conclusions and suggestions are also given.
根据复测数据分析了基准点的变形原因和规律，得出了一些有益的结论和建议。