The wave from vessel's launch causes crack of mooring chain for fixing pontoon and is considered to be solitary wave through analyses.
针对大船下水激起的波浪造成固定趸船锚链断裂的问题，分析了大船下水激起的波态是孤立波。用近似方法确定了孤立波的波高。
For breaking the world record, the world longest crack of firework was made. These workers were fixing for lighting the crack.
为了创下大世界基尼斯“世界最长鞭炮”纪录，工作人员在沿路安装爆竹。
For breaking the world record, the world longest crack of firework was made. These workers were fixing for lighting the crack.
为了创下大世界基尼斯“世界最长鞭炮”纪录，工作人员在沿路安装爆竹。
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