送交者: HunHunSheng 于 2005-7-25, 13:46:47:

回答: 怎样来估计罕见事件比如海啸，恐怖活动等的发生概率 由 xj 于 2005-7-25, 13:43:27:

They may shift their targets from metropolitian areas to middle and small towns in the future

加跟贴