The results of example studies show that the difference between the rigorous and quasi-rigorous solutions is negligible; and the latter is thus more applicable to the practical engineering.
算例计算结果表明，三维边坡准严格解答与严格解答十分接近，对工程问题可直接采用准严格解答。
Most engineers apply rigorous problem analysis and build models of proposed solutions before they commit to manufacturing them.
大多数工程师在他们开始制造产品之前进行严格的问题分析并且建造被提议的解决方案的模型。
In order to determine the low permeability of rocks both rapidly and reliably in laboratory, the rigorous analytical solutions for various kinds of laboratory permeability tests are derived.
为了快速准确地测定低渗透岩石的渗透系数，推导了各种渗透实验的解析解。
Uses rigorous logic and methods to solve difficult problems with effective solutions;
使用严谨的逻辑和方法来解决难题，给出有效的解决方案；
Testing results demonstrate the effectiveness of both the rigorous analytical solutions and the testing apparatus.
实验结果证实了理论解及实验装置的有效性。
Testing results demonstrate the effectiveness of both the rigorous analytical solutions and the testing apparatus.
实验结果证实了理论解及实验装置的有效性。
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