Abstract:
Start mechanism is an indispensable component of emergency mechanism. A rational start mechanism is helpful to ensure the effect and efficiency of emergency management. Firstly, starting with the fundamental conception of start mechanism, this paper introduces the effective factors and tasks of start mechanism. Secondly, the starting types and grades are discussed in details. Lastly, considering the loss of disaster and the cost of rescue, the paper analyses the starting time in single disaster and chain disasters respectively