提出了二级离散复镜像法(DCIM)与表面波处理相结合的方法对空域格林函数进行计算。

Then discrete complex images method (DCIM) is applied to obtain spatial domain Green's functions, which enhance computing efficiency.

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介绍了一种镜像表面的薄壁铝管的超声检测方法及其自动化检测系统。

A new ultrasonic evaluation method and the automatic inspection equipment for thin-wall aluminum tubes have been presented in this paper.

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当两面镜子的表面正好互相对着时，所产生的嵌套镜像是一种无限重现的形式。

When the surfaces of two mirrors are exactly parallel with each other, the nested images that occur are a form of infinite recursion.

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