请求来自客户端并由控制器进行服务，控制器选择一个相应的视图向用户进行显示，而且如果需要，执行模型上的一个相关的操作。
Requests come in from the client and are serviced by the controller, which selects an appropriate view to show the user and, if required, an appropriate operation to perform on the model.
设计了单片机端的控制程序，包括步进电机控制、编码器数据采集、RS232通讯、键盘读入、液晶显示屏输出等部分。
The controlling program in MCU part is designed, and it includes the part of step-motor controlling, data collection of the coders, RS232 communication, keyboard input, and LCD output.
然后客户端就会连接到本地计算机，并且远端应用程序会显示到本地屏幕并被本地输入设备所控制。
The client application or shell then connects to the local server, servicing a display and input session to the local user.
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