随着与地下水有关的工程活动的逐步复杂化，任意直角坐标系下潜水渗流问题日渐多见。
As engineering activities related to groundwater are getting more and more complicated, seepage problems in arbitrary rectangular coordinates system can be often met.
通过量化手段确定各种基本病理变化在肝病诊断中的价值，建立肝组织病理活动性量化诊断标准及坐标系。
Objective To evaluate the diagnostic values of characteristic pathologic changes in the liver biopsy specimens, and to develop a numerical scoring diagnostic standard and coordinates system.
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