natural ecological force 自然生态力
·2,447,543篇论文数据，部分数据来源于NoteExpress
But several problems still exist in regional production, agricultural industrialization, ecological environment, technical extension, and quality of labor force, etc. According to the present si...
但是，在区域化生产、农业产业化、生态环境、技术推广和劳动力素质等方面仍存在问题。
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