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[求助]
麻烦大家帮忙看下这段话，有没语法问题，或有没有更好的其他方式表达，谢谢
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| Consider a space containing a hole of radius R and an crack of length A. Establish the Cartesian coordinate systems at the circular inclusion and the interfacial crack respectively. Let the coordinate origins be at a distance h below the surface. The distance is d between the hole and the crack. The governing equation can be written in the following simplify form if wave impacts on the space at a certain angle. |
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