The hydrodynamic head is provided by influx of fresh water from the interior of tropical Jamaica.
水压头是由处于热带的牙买加内地流入的淡水提供的。
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果；
A new type of structure-high speed internal grinding spindler head with hydrostatic and hydrodynamic bearing and its working theory of the structure and primary calculations have been expounded.
本文主要论述一种新型结构形式——动静压轴承高速内圆磨头的工作原理及主要设计计算。
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