土壤重构是土地复垦研究的核心内容。

The research on soil reconstruction was core on land reclamation.

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土地复垦是一个复杂的系统工程。

Land reclamation is a complex and systematic project.

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五是土地复垦制度。

Five is the land reclamation system.

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文章介绍了矿区土地复垦技术的研究进展；

This paper introduced the research progress of reclaimed mining area technology;

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文章介绍了矿区土地复垦技术的研究进展；

This paper introduced the research progress of reclaimed mining area technology;

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