Groundwater level variation has been quantitatively predicted based on the BP neural network model.
基于BP网络模型，对地下水水位变化规律进行了定量预测。
Both water storage and level variation have not influenced the tectonic stress field in the study area obviously.
水库蓄水和水位变化对研究区构造应力场没有明显的影响。
Therefore the site has been designed as a flat field with minor level variation to define certain Spaces and activities.
因此本场地已被设计成一块平面场地，以很小的地面起伏落差，来区分相应的特定空间和活动场所。
By using the methods of phase space construction and correlation dimension, the fractal character of sea level variation along Guangxi coast was analyzed.
采用相空间重构和关联维数方法，研究了广西沿岸月平均海平面变化的分形特征。
Lake basin sequence is formed through and sedimentation, showing the changes of the sedimentary systems or system tracts in time and space with the lake level variation.
湖盆层序是指在湖盆地内由沉积作用形成的一类层序，表现为随湖水面的升降变化沉积体系或体系域在时空上的变化。
The causes of the higher-than-normal water levels of foundation seepage observation holes, and the synchronous water level variation with the upstream reservoir level are analyzed.
并对坝基渗流观测孔孔水位普遍偏高、且与上游库水位变化基本同步的异常性进行了物理成因解析。
The causes of the higher-than-normal water levels of foundation seepage observation holes, and the synchronous water level variation with the upstream reservoir level are analyzed.
并对坝基渗流观测孔孔水位普遍偏高、且与上游库水位变化基本同步的异常性进行了物理成因解析。
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