Entropy theory is applied to evaluate the orderliness and flexibility of the organizational structure under two different emergency material deployment scenarios after the Jishishan earthquake,and a comparative analysis is conducted.The results found that:the existence of too many social spontaneous donation subjects may slow down the efficiency of information transmission;however,since different social donation individuals are all at the same level in the post-disaster emergency command system,it presents an obvious flat structure,which makes the quality of information transmission relatively high.Additionally,the system exhibits better flexibility when emergency materials are allocated solely by national unified distribution,showing higher adaptability to environmental changes.
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