保证金制度(或称执行保证金制度)是环境管理的经济手段之一，为了完善我国现行矿区土地复垦制度，有必要探讨保证金制度在矿区土地复垦管理中的应用。
The performance bonding system, one of the economic instruments in environment management, can serve as an important economic instrument in the management of mining area rehabilitation.
目前的研究领域为：环境政策研究与制定、环境经济手段在环境管理中的应用以及环境规划。
He is currently working on environmental policy research, the application of economic instruments in environmental management and environmental planning.
目前的研究领域为：环境政策研究与制定、环境经济手段在环境管理中的应用以及环境规划。
He is currently working on environmental policy research, the application of economic instruments in environmental management and environmental planning.
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