The ways of quantitative methods for the chemical damage of water-rock interaction are approached. The division into districts of the chemical damage levels in rock is proposed.
探讨了岩石水化学损伤定量方法的研究途径，提出并分析了岩石水化学损伤的层次分区性。
The evaluation of the tourism resources will affect the program, scale and direction for the tourism development. And it is the precondition of tourism division into districts and planning.
旅游资源评价关系到旅游资源开发的程序、规模和方向，是进行旅游区划和规划的前提。
The division of the Huaihe River Valley into seven control zones with 34 control districts, which are further divided into 100 sub-districts, as laid down in the Programme and the Plan, is accepted.
同意《规划及计划》关于淮河流域水污染防治七大控制区及34个控制单元和100个控制子单元的划分。
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