datum elevation

常見例句

Research on the 1985 National Elevation Datum and the results obtained are highlighted.
闡述了1985國家高程基準(zhǔn)研究工作和成果。
Actually, floating datum is still horizontal datum, but the datum elevation of different CMP is variable.
實(shí)際上浮動(dòng)基準(zhǔn)麪還是水平基準(zhǔn)麪，衹是不同CMP的水平基準(zhǔn)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(zhǔn)原點(diǎn)是我國高程控制網(wǎng)中的一個(gè)重要基準(zhǔn)點(diǎn)。