phase datum mark 相位基准标记 ; 相位基准标志
checking datum mark [测] 校核基点
starting datum mark [测] 起测基点
datum mark of horizontal displacement 水平位移基点
datum mark of vertical displacement 垂直位移基点
Control Point Datum Mark 控制点标高
angle datum mark 角度基准标记
surveying datum mark 测量基准
test of datum mark 基准点检测
The ealuation of datum mark stability is one of most important parts in data processing of deformationmonitoring.
基准点的稳定性评价，是变形观测数据处理时不可忽视的重要内容。
With these risk costs as a datum mark, we compare the general cost with the benefit of outsourcing, and then come into possession of boundary qualifica…
进而以数值风险成本为基准点，将外包综合成本与预期收益进行配比，得出成本—收益框架下外包决策的边界条件。
The Beijing Fundamental Bench Mark (BFBM) is an important reference datum in the elevation control network in China.
北京水准原点是我国高程控制网中的一个重要基准点。
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