In this paper the goals, principles, methods, types and index systems of disaster zoning are discussed by the analysis of the present situations, problems and trends of disaster zoning.

着重分析了灾害区划的现状、存在问题和发展趋势，对灾害区划的目标、原理、方法、类型及指标体系进行了深入探讨。

youdao

In this paper the goals, principles, methods, types and index systems of disaster zoning are discussed by the analysis of the present situations, problems and trends of disaster zoning.

着重分析了灾害区划的现状、存在问题和发展趋势，对灾害区划的目标、原理、方法、类型及指标体系进行了深入探讨。

youdao