The constructing principle of the spherical gear teeth base surfaces was specified, and a processing method by which spherical gear teeth base curves were machined was introduced.
介绍了球齿轮齿根过渡曲线的形成原理，以及球齿轮齿根过渡曲线的加工方法。
The base-line field quantization design standard is probed into and the base-line quantization design model is established through utilizing the statistics principle.
利用统计学原理，探讨了基线场量化设计标准，推导出基线量化设计模型。
The design principle and method of data base in a road surface management are described. They include design skill of data base structure and application program.
本文探讨了路面管理系统中的数据库设计原理与方法，内容包括数据库结构设计与数据库应用程序的设计技巧。
In order to select a suitable mold base for given articles, a calculation of checking method is used. And a principle of the similitude design is used to devise an off-standard mold base.
本论文采用校核式计算方法实现标准模架的自动选择，并应用相似设计原理进行了非标准模架设计；
In order to select a suitable mold base for given articles, a calculation of checking method is used. And a principle of the similitude design is used to devise an off-standard mold base.
本论文采用校核式计算方法实现标准模架的自动选择，并应用相似设计原理进行了非标准模架设计；
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