發送短信 : A comparison between the nmm and the xfem in discontinuity modeling

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    ___     / _ \\   | |/ //   / _ \\   |__  //  
   /   ||  | / \ ||  | ' //   / //\ \\    / //   
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    -|_||   `---`    `-` --` `-`   `-`  `-----`  
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