Describes how to develop the on-line help system for doctor CAD system and brings forward some general principles of designing such a system. It also gives the main idea of the design process.

针对博士CAD系统中帮助系统的开发进行了理论上的研究，提出了设计在线帮助的一般性的原则，重点探讨了设计过程中的主体思想。

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The system can enhance the equipment stability and safety. With design display LCD module, it gives operator help on line, which eliminates the accidents caused by false operation.

在程序设计中加入了设备运行解释模块，并通过液晶点阵模块的显示，为使用者提供了在线帮助，彻底消除了误操作引起的故障。

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The functions of Chinese interface, window display pulldown menu, on-line help and mouse-driving make the system more convenient to operate.

中文界面、窗口显示、下拉菜单、在线帮助及鼠标驱动等功能使操作更加方便。

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People vented--largely about the IRS phone system's automated help line, sometimes about the constitutionality of collecting taxes--and IRS agents listened, nodded sympathetically and jotted notes.

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