According to this problem, the solutions for different shut-in procedures are similar except for the initial conditions.

通过对该问题的研究，认为无论采用何种方式关井，其求解过程相似，只是初始条件有变化。

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"Well, When running in is not possible, the shut-in procedure is same as normal drilling, no separation of hard and soft shut-in procedures, right?" one guy guessed.

“那么下钻不可能时，也同正常钻井一样不分软、硬关井程序，对吧？”有人猜测道。

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Stringent qualification requirements shut out skilled foreign professionals, while a web of complex rules and procedures discourages entrepreneurs from setting up in Japan.

严厉的职业要求把有技术的专业人士排除在外，同时一些列复杂的规则和过程不鼓励企业家在日本建立企业。

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