These methods provides important scientific basis for the division of non-producing areas related to "code of primary products quality security"and promotion the standard of agricultural producing.
该方法的建立，将对实施《农产品质量安全法》的禁产区划分提供科学依据，为我国推行农业标准化生产奠定基础。
This model can provide scientific methods for urban water environment programming and non-point source pollution control and management.
该模型可为城市水环境规划、面源控制和管理研究提供科学手段。
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