按照这些原则与方法确定分段切除顺序时可提高凸模的抗折断能力。
The subsection excision sequence determined according to these principles and methods can improve the punch's resistance to fracture.
第四章从收益法的基本模型着手，对收益额的选择与确定以及折现率的确定原则和方法进行探讨。
Chapter four sets about from basic model of income approach, to choice and confirm and definite principle and method of discount rate carrying on discussion, and income of volume.
本文结合温室结构和荷载的特点，具体论述了屋盖荷载的确定原则与计算方法。
Determining principle and calculating method of the load of greenhouse roof are particularly expounded in the light of the structure of greenhouse and the characteristics of the load.
同时总结了一套计算焊接预热温度确定方法和焊接接头匹配的选取原则与方法。
In addition, a calculating method on welding preheating temperature and a selective principle and method on welding component matching are concluded.
植被绿化应从植物学、生态学、环境美学的角度出发，根据植被绿化的原则与技术标准，综合确定绿化的方式、方法。
Based on the study of botany, ecology and environment aesthetics and also on technology and principle, a comprehensive assessment on the means and methods for it has been put forward.
植被绿化应从植物学、生态学、环境美学的角度出发，根据植被绿化的原则与技术标准，综合确定绿化的方式、方法。
Based on the study of botany, ecology and environment aesthetics and also on technology and principle, a comprehensive assessment on the means and methods for it has been put forward.
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