In dynamic nondestructive inspection for pile quality, it is a key problem to determine exact location and degree of various defects according to wave analysis.
在桩身的动态无损质量检测中，关键问题是根据波形分析判断桩中各种缺陷的准确位置和程度。
But these approaches all have certain limitations, they can only be applied to specific version of the location problem and it is also difficult to solve the location problem in dynamic systems.
但是通过分析发现这些方法具有一定的局限性，它们往往只能适用于特定的选址问题，对于动态变化系统中的选址问题，常常无法解决。
But these approaches all have certain limitations, they can only be applied to specific version of the location problem and it is also difficult to solve the location problem in dynamic systems.
但是通过分析发现这些方法具有一定的局限性，它们往往只能适用于特定的选址问题，对于动态变化系统中的选址问题，常常无法解决。
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