... gradient of temperature ==> 温度梯度 gradient of water table ==> 地下水位坡度,地下水位坡降 gradient plate ==> 梯度浓度培养皿 ...
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gradient of a water table 地下水位坡降
The preventive measures should meet the requirements of the gradient of water table and the condition of water circulation.
防渗处理应满足于对地下水比降、水交替循环条件等方面的要求。
Ultrasonic liquid level gauge used to real-time measure the upper level and tail level of the two sections , then the computer calculated average water level, gradient of water table and discharge;
用超声波液位计将测流渠段的上下游两断面水位实时测出，再用计算机分时段算出平均水位、水面坡降及流量；
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