The first part analyzes reasons and theory of stratification in our country.
第一部分，分析我国阶层分化产生的原因。
Xunzi's theory contains the idea of social stratification.
荀子理论中蕴涵着丰富的社会分层思想。
According to the agricultural theory in this paper, a kind of novel fertilizer sowing mechanism with the stratification and heft had been designed, and it acquired good effect in productive practice.
文章依据农学原理设计了一种新式的分层分量施肥装置并在生产实践中取得了良好效果。
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