从整个地下水文地质单元特征来看，有其独特的发育形成条件。
From groundwater hydrological geological unit, it had a unique formation conditions of the development.
共计划分出十三个水文地质单元：1）阿尔泰山及其山前地区；
Thirteen hydrogeological units have been put forward: 1)Altai and its pediment region;
本文主要根据气候、地形和大地构造进行了西北地区水文地质单元的划分。
This article makes the division of the hydrogeological units in northwest China principally according to the climate, topography and geotectonics.
旱平川断陷盆地受南北两区域大断裂控制，形成走向南东—北西向、倾向东北的条带状水文地质单元。
The Hanpingchuan fault basin is controlled by two regional major faults on both north and south, and formed a SE-NW strike, dip NE striped hydrogeological unit.
结果表明：徐州市水文地质单元岩溶地下水循环系统是一个复杂的循环系统，整个系统既有畅流型，又有汇流型和散流型。
The result shows that the karst water circulation system in Xuzhou is complicated with different flowing patterns of fluent flow, converging flow, and dispersing flow.
有限单元法作为评价水文地质条件的有效手段，有着广阔的前景。
The finite element method has been of great use in evaluation hydrogeological environment and it will bo used very much in tho future.
有限单元法作为评价水文地质条件的有效手段，有着广阔的前景。
The finite element method has been of great use in evaluation hydrogeological environment and it will bo used very much in tho future.
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