在系统中，用计算机软件替代了由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器。
In this system, computer software was used to replace stepping motor controller which consisted of buffer, annular allotter, control logic and control doors of clockwise and counterclockwise running.
由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器则用计算机软件替代。
Buffer register, circular allotter, control logic, positive run and back run control circuits are replaced by computer software.
由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器则用计算机软件替代。
The step motor controller composed of buffer register, the circular allotter, the control logic, the positive run and back run control circuits is replaced by computer software.
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