datum elevation

常见例句

雙語例句

• Research on the 1985 National Elevation Datum and the results obtained are highlighted.
  闡述了1985國家高程基準研究工作和成果。
• Actually, floating datum is still horizontal datum, but the datum elevation of different CMP is variable.
  實際上浮動基準麪還是水平基準麪，衹是不同CMP的水平基準麪高程可以變化。
• The Beijing Fundamental Bench Mark(BFBM) is an important reference datum in the elevation control network in China.
  北京水準原點是我國高程控制網中的一個重要基準點。
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