tank datum point 罐计量基准点
Offset CSys Datum Point 偏移坐标系基准点
Datum point different 基准点不同
Level surveying datum point 水准测量基准点
installation datum point 安装基准点
temporary work datum point 临时工作基点
MLS datum point 微波着陆系统基准点
Sketched Datum Point 草绘基准点
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。
This paper expounds in theory that, we may use the relative stability or their ratio caused by UNVARIABLE as the proportion of the point on datum, which accords with the demands for choice of datum.
本文从理论上阐明用不变量导出的相对稳定度函数或其比值作为点在基准中的份量是符合对基准选择之要求的。
Use to indicate a datum target area, line or point.
用于指示基准目标区域、线条或点。
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