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.
Principle, methods and index system of comprehensive and specific zoning for highway as well as corresponding names are proposed in the paper.
构建了综合与专项公路自然区划的原则、方法和指标体系，以及相应的区划等级系统及命名。
3
Element geochemistry model of the primary mineralization halo is simulated by regression analysis and vertical zoning of the ore body primary halo by variable index method.