These are volcanoes so explosive that they burst open in a single big crack.
这些火山爆炸性极强，爆发瞬间出现了一道大裂缝。
The problem of a single parallel crack near a circular inclusion was also studied.
最后对圆形夹杂附近单平行裂纹问题进行了研究。
The problem of a single parallel crack near a circular inclusion was also studied.
最后对圆形夹杂附近单平行裂纹问题进行了研究。
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