半潮 half flood; half tide; half-tide; mean tide 潮位 sea level◇潮位计 [工业] limnimeter; tide gage; 潮位曲线 tide curve ..
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mean tide level [海洋] 平均潮位 ; 平均潮面 ; 平均潮高平均潮面
mean tide range 平均潮差
mean rise of tide [海洋] 平均潮升
mean range of tide 平均潮差
mean neap tide 平均小潮
mean amplitude of tide 平均振幅 ; 潮汐平均振幅
mean of the tide 平均潮高
mean rise of low tide 平均低潮升
mean low water spring tide 平均大潮低潮面
Besides, the concept and relevant computation formulae for the effects from the non-tide, mean tide 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。
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.
海洋表面的水位,尤其是在平均高水位和低水位之间的平均位置的水位,用作计算陆地海拔和海水深度的标准。
First, the defmation and status of height datums is introduced and some problems on the local height datums established by the mean sea level, which is defined by the tide gauge data, are discussed.
首先介绍了高程基准的定义与现状,指出了用验潮站长期平均海平面建立局部高程基准所存在的问题;
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