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.
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。
In general, tachometer generators are eliminated in the small and medium power DC rotating speed governing systems, and armature voltage is used as motor speed signal.
在中小型直流调速系统中，一般都取消了测速发电机，而以电枢电压作为电机转速信号。
Situation of motor vehicle driving and survey result of traffic in three typical representative Chinese cities Beijing (large), Changchun (medium )and Siping (small )are presented.
介绍了在北京市（大型）、长春市（中型）和四平市（小型）三个具有典型特征的代表城市所做的车辆行驶状况的试验及交通状况的调查结果。
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