datum elevation

常见例句

双语例句

• Research on the 1985 National Elevation Datum and the results obtained are highlighted.
  阐述了1985国家高程基准研究工作和成果。
• Actually, floating datum is still horizontal datum, but the datum elevation of different CMP is variable.
  实际上浮动基准面还是水平基准面，只是不同CMP的水平基准面高程可以变化。
• 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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