Although the peak value of return shock is relatively low, the effect time is long and sometimes the scope excesses the maximal overpressure of some deflagration condition.

尽管二次超压的峰值相对较小，但作用时间长，且有些二次超压过程中的超压上升幅度甚至超过了某些爆炸环境下的最大超压值。

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O'Rourke was dismissed from the Mourne job in 2006 but he makes a shock return in neighbouring county Armagh as the successor to Peter McDonnell.

BBC: O'Rourke named as new Armagh boss

When Bent's name was included in the squad for the friendly against Brazil, some headlines suggested a "shock return" for the former Tottenham and Charlton striker.

BBC: Bent backed for World Cup place

At the start of July speculation in a local newspaper forced the Championship club to issue a statement denying any possibility that Hammam would make a shock return to the club.

BBC: Cardiff City hold Langston debt meeting