遏止环境污染是保护农业生态系统服务功能的关键。
It is the key to protect the function of agricultural ecosystem service to check the environmental pollution.
近年来，对生态系统服务功能的价值评价研究成为生态学领域研究的热点，倍受关注。
Evaluation of ecosystems services has been regarded as one of hot issues in ecology field in recent years.
随着生态环境破坏的加剧和生态系统服务功能的研究，使人们更为深入地认识到生态环境的价值。
With the deterioration of the ecological environment and the further research on the ecosystem, however, the value of ecological environment has been increasingly recognized.
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