The partial coefficients of resistance obtained by recurrence analysis method have clear physical concepts. The calculation method is reasonable and the obtained results are credible.
文中提出由递推法分层土模型计算分抗力分项系数，物理概念明确计算方法合理，结果可信。
To solve unknown coefficients (namely physical parameters) of wave. equation can help people find out the stratum containing oil, gas or coal, and point out the correct position for drilling the well.
求解出波动方程中的未知系数(即物性参数)，可以帮助人们发现含油气层或煤层，为钻井提供正确的井位。
Horizontal gradients and correlation coefficients in the ionospheric TEC are among the basic parameters in space-physical research of exceeding the limits and surmounting the obstacles.
电离层电子总量水平梯度和相关系数是进行越境越障空间物理研究时的基本参量。
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