This paper expounds the application of "graph theory" in machinofacture, Such as, analysis of process engineering, calculation of technological dimension chain and assemblage dimension chain, etc.
阐述“图论”在机械制造中的工艺过程分析、工艺尺寸链和装配尺寸链的计算等方面的应用。
This paper includes a systematic analysis and correlation study on the sporopollen assemblage, stratigraphic sequence and geochronology of the Siwangou red bed section in Yaojie, Gansu.
对窑街寺湾沟-炭洞沟红层孢粉和地层层序及时代进行了系统分析与对比研究。
Four diatom assemblage zones, each characterized by different diatom components, are distinguished by cluster analysis.
利用聚类分析划分了四个硅藻带。
Four diatom assemblage zones, each characterized by different diatom components, are distinguished by cluster analysis.
利用聚类分析划分了四个硅藻带。
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