Click Characters (unordered) to show any combination of numbers and uppercase and lowercase letters (for example, Arch1, Const1, and Insp1 for the first three summary tasks in the project).

• 单击“字符(无序)”,以显示数字和大小写字母的任意组合(例如Arch1、Const1和Insp1表示项目中的前三个摘要任务)。