在河流环境规划和管理中，经常采用一维的物质迁移模型。
For environmental planning and management in river watershed, one-dimensional mass transport model is often used.
由于它有很强的络合作用，可使很多的有害物质“有机化”，从而改变了它们在环境中的迁移和扩散等化学行为。
It can make many substances "organization" and change their chemical behaviors such as transfer and diffusion in environment.
由于它有很强的络合作用，可使很多的有害物质“有机化”，从而改变了它们在环境中的迁移和扩散等化学行为。
It can make many substances "organization" and change their chemical behaviors such as transfer and diffusion in environment.
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