采用线性稳定性理论和多重尺度方法，研究三维可压缩的非平行流边界层稳定性问题。

The compressible linear stability theory and the method of multiple scales are used to study the problem of three dimensional nonparallel flow stability for boundary layers.

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利用多重尺度法和比较定理，研究了初始边值问题解的渐近性态。

By using the method of multiple scales and the comparison theorem, the asymptotic behavior of solution for the initial boundary value problem is studied.

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本文利用多重尺度法研究了薄板在中面力的作用下的弯曲问题。

In this paper, problems of bending of a thin plate under the action of in-plane forces are studied by using the method of multiple scales.

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