This makes it possible, for example, to copy a graph created by a spreadsheet program into a document created by a word processor.
这样一来，一些操作就变得可行，例如：可以将电子制表软件中画的图形复制到用文字处理软件创建的文档中。
It detailed introduced composing of the PLC elevator control system, design of the hardware and soft, how to weave control program in graph of elevator for example.
以实例介绍了PLC电梯控制系统的组成、其硬件和软件的设计以及怎样用电梯图来编制系统的控制程序。
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