Printing also supports colors and overlapping events.

也支持彩色和重叠事件打印。

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In addition, the Process Groups are seldom either discrete or one-time events; they are overlapping activities that occur at varying levels of intensity throughout the project.

此外，过程组极少是孤立或只执行一次的事件：它们是在整个项目生命期内自始至终都以不同的程度互相重香的活动。

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