它可以让您根据日程表或者环境来追踪覆盖率。
That enables you to track coverage by schedule, as well as by environment.
该表属性可用于覆盖系统（ONCONFIG和/或会话）设置。
Table property can be used to override the system (ONCONFIG and/or session) setting.
此类的子类将覆盖load方法把数据添加到items表中。
Descendants of this class override the load method to add data to the items table.
每个时间表的设置必须覆盖全年，否则会出现致命错误。
Each schedule entered must cover the entire year or a fatal error will result.
覆盖备份媒体的时间表。
覆盖备份媒体的时间表。
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