Thread 2 in Listing 2 is for taking multiple snapshots over the period without issuing the reset monitor command after the initial reset monitor command.

清单2中的线程2用于在整个时间段内拍摄多个快照，在初始复位监控器命令之后没有发出复位监控器命令。

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It allows administrators to monitor current query activity or activity during a specific time period, such as queries that were processed today, this week, or during the past month.

它允许管理员监控当前查询活动或者某一特定时期的活动，例如今天、本周或上月处理的查询。

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Image: During Discovery's Orbiter Major Modifications period in Aug. of 2003, a technician tests a monitor on the console of the newly installed "glass cockpit" or MEDS. Photo credit: NASA/KSC

图片：在发现号的轨道飞行器重大修改2003年8月期间，技术人员测试一个控制台上新安装的“玻璃驾驶舱”或的MED显示器。

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They will monitor the pre-election period, will continue at the polling stations during the voting process, stay for exit polls and be present until the results are published.

FORBES: Prison, Boxing, and Fair Elections

The pilots said there was "a concentrated period of discussion where they did not monitor the airplane or calls" from air traffic control, though both said they heard conversation on the radio, the report said.

CNN: Report: Stray jet's pilots were on laptops

At this week's briefing Ira Richter, executive director of IOPS.org, said his organization of ISPs has lined up about 25 people who will be participating in various activities to monitor the date-change transition period.

CNN: Internet Y2K monitoring plans outlined