本文介绍了采用面向对象技术，多文本窗口及数据库管理技术，利用VB语言开发的视窗化的中小型异步电机型式试验计算系统。
The paper introduces the type test computation system for small and medium asynchronous motor by using object oriented technology, multi text window, database management technology and VB language.
以XK717铣床床身为研究对象，比较了采用不同筋板型式床身的动态性能。
The dynamic performance of the bed is compared by using different arrangement patterns of strengthened bars on the XK717 milling machine.
比较不同结构型式行星齿轮机构的特点，基于它们各自的优缺点，选用拉威娜式自动变速器作为研究对象。
The structure and characteristic of different kinds of planetary gear train is briefly analyzed, based on this, Ravigneavx AT is selected as the research object.
比较不同结构型式行星齿轮机构的特点，基于它们各自的优缺点，选用拉威娜式自动变速器作为研究对象。
The structure and characteristic of different kinds of planetary gear train is briefly analyzed, based on this, Ravigneavx AT is selected as the research object.
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