The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly .

根据差动式调压室的基本微分方程，首次推导出了差动式调压室涌浪幅值的理论计算公式；

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The lowest environmental water demands is defined as the minimum water threshold value that maintains river's basic environmental functions.

指出河道最小环境需水量是指维系河流的最基本环境功能不受破坏，所必须在河道中常年流动着的最小水量的阈值。

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Revetments protect the space from dam crest to the line a certain distance, normally 2.5m, under the minimum water level of the dam upstream.

护坡覆盖的范围，上游由坝顶护至水库最低水位以下一定距离，一般在最低水位以下2.5米。

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"There is almost no regulation concerning water or power use, no minimum standards for water-consuming appliances ... and very few energy requirements for buildings, " he laments.

CNN: Counting the carbon cost of bringing water to the desert

MPs also voted down Labour's plans to introduce minimum standards for water company social tariffs by 1 April 2013.

BBC: Water Industry (Financial Assistance) Bill

It was already known that six is the minimum number of water molecules needed to form a three-dimensional structure.

ECONOMIST: Molecular bonding