lowest astronomical tide是什么意思

用法例句

In this paper,based on the definition and arithmetic for the level of lowest astronomical tide,depended on perennial height of tide observations data collected from 14 long-term tide stations in China coastland,the applicability for lowest astronomical tide in China coastland is analyzed and evaluated.

基于最低天文潮面的定义和算法,以中国沿海14个主要长期验潮站多年的潮位观测资料为依据,分析了最低天文潮面在中国沿海海区的适用性。