awareness of disaster prevention
the awareness of disaster
ability of disaster reduction
control and reduction of disaster
cost of disaster reduction
Countermeasures of disaster reduction
economics of disaster reduction
history of disaster reduction
method of reduction of dimension
method of reduction of order
policy of disaster reduction
programme of disaster reduction
reasons of reduction of output
simplified method of reduction of order
strategy of disaster reduction
superiority of disaster reduction and relief
system engineering of disaster reduction
systematic engineering of disaster reduction