Real Expect applications often parse command-line arguments, tabulate results in columns, retrieve historical data from databases, display graphical user interfaces (GUIs), and much more.

实际的 Expect 应用程序通常用于解析命令行参数、将结果显示在分栏的表格中、从数据库中检索历史数据、显示图形用户界面 (GUI)，以及更多的用途。

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In host computer control system, mainly achieve choice of serial communication control, the collection of real-time data updating display and historical data charts analysis.

在上位机监控系统中，主要完成的是对通信设置的选择控制、现场采集数据的实时刷新显示等。

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It generally includes data acquisition and control information transfer, historical data recording and trend display, warning recording and event processing, report generation and printing.

它一般由如下几个部分组成：数据采集与控制信息发送、历史数据记录与趋势显示、报警记录及事件处理、报表生成和打印等。

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