The practical application shows that the presented study of three dimensional seepage field with free surface and the identification procedure of aquifer parameters are available.
工程实际应用表明，所提出的三维非承压水渗流场分析和大坝渗透系数识别方法是非常有效的。
A practical procedure of Double-Least-Square approach in ITD method of modal parameters is programed and the simulataneous identification test is conducted.
本文编制了模态参数时域识别的双最小二乘法程序，并进行了模拟试验。
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