It mainly includes natural ecological system, social ecological system and spirit-ecological system.
地球生态系统大体包括自然生态系统、社会生态系统、精神生态系统；
The integrality of natural ecological system throughput and stability were assessed after irrigation works has been completed;
对水利工程完成后影响的区域自然生态体系的完整性、生产能力及稳定性进行评价；
Circular economy demands restructuring economic system by the rule of material recycle and energy flow in natural ecological system.
循环经济倡导按照自然生态系统物质循环和能量流动规律来重构经济系统。
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