对它的研究有助于解决黄土成因、黄土工程地质性质等有关的理论与生产问题。
The study of which is helpful to the solution of such theoretical aud practical problem as genesis of loess and its properties engineering geology.
在理论与生产实践的基础上，阐述了螺纹梳铣刀的设计方法，提出了该梳铣刀的相关经验参数值。
Based on the theory and experience, it represents the design method of the chaser, and gives out the relative experimental reference data.
简单来说，边际生产力分配理论把高收入与高生产力、社会贡献大联系在一起。
In a nutshell, this theory associated higher incomes with higher productivity and a greater contribution to society.
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