... 平均海水面 mean sea level 平均海水面mean sea-level surface 平恒星时 mean sideral time ...
双语例句
1
Which coincide with the meansealevelsurface is the geoid.
其中与平均海平面重合的面就是大地水准面。
2
Meansealevel is an equipotential surface with respect to gravity.
平均海平面就是一个关于重力的等位面。
3
The level of the ocean's surface, especially the level halfway between mean high and low tide, used as a standard in reckoning land elevation or sea depths.