Besides, the concept and relevant computation formulae for the effects from the non-tide, meantide and zero tide are derived.
对大地测量基准中所使用的无潮汐、平均潮汐和零潮汐等概念和相关计算进行了推导和讨论。
2
For the pollution ions were existed on the specimens when they emerged from seawater, the dealloying corrosion of double phase brass exposed to meantide zone was also accelerated.
由于这种污染元素的作用在试样露出水面时依然存在,致使潮差暴露也出现类似情况。
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.