A choice structured activity (also known as a switch) controls which path the process takes, based on a condition.
选择结构化活动(也称为切换)根据条件控制流程采用的路径。
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For example, you can switch off the small tables in Figure 7 for heading and information objects with a simple condition, or you can automatically leave out empty table entries.
例如，您可以关闭图7中的小表格，以让表头信息以一种简单的状态显示，或者您可以忽略空白的表格条目。
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These choices provide designers with the proper switchcondition during power-up to meet the needs of their specific application.