annual mean water level 中文意思是什麼
annual mean water level
解釋
年平均水位-
From the prediction results of several methods we have known that : the annual mean water level in the 2010 will decrease about 0. 6m comparing with present average level
從多種方法預測結果可知,灌區節水工程實施后地下水位較目前平均下降約0 . 6米左右,下降幅度較大。
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