local mean sea level 中文意思是什麼
local mean sea level
解釋
當地平均海面-
In fact, the transformation and unification of the local height datums have relations to the mean sea level variation at the shore where the tide gauges are located
局部高程基準的轉換與統一,不得不涉及沿海各主要驗潮站平均海平面的變化。 -
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. then the research progresses in recent years are analysed
首先介紹了高程基準的定義與現狀,指出了用驗潮站長期平均海平面建立局部高程基準所存在的問題;分析了當今國內外高程基準的研究現狀;進一步明確了我國高程基準現代化的必要性。
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