请问2013HIMCM A题的第四项是什么意思??
4. If a catastrophic event occurs in one location with many people from all zones involved, could the ESCcover the situation? How do counties or cities design for those rare but catastrophic events?问了许多人解释都不一样,,希望能在论坛得到帮助OAO
谢谢!
我也不知道啊,正在纠结中
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