And then three approaches are presented from three different angles of social statistics, economics and systematic theory.
从社会统计学、经济学以及系统论角度介绍了耕地质量动态变化研究的三种思路。
参考来源 - 耕地质量动态变化研究According to the view of systematic theory,a set of comprehensive appraisement index system on sustainable development is designed.
本文从系统理论出发,设计出一套可持续发展综合评价指标体系。
参考来源 - 大兴沟林业局可持续发展综合评价研究·2,447,543篇论文数据，部分数据来源于NoteExpress
If systematic theory is derived from scientific facts, then what is the process?
如果系统的理论是从科学事实推导而来的，那么它的过程是什么？
But it is always blank in the systematic theory and detailed study at this area.
但是，对于导纳谱总是缺少系统的理论阐述和详细的研究。
What is "imbuement"? For this, Classic writers have put forward systematic theory.
对于“灌输”是什么的问题，经典作家提出了系统理论。
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