清单10中的脚本用来监视磁盘空间，您可以设置警告(warninglimit)和紧急情况(lowlimit)限制，以及进行检查的文件系统的列表。
The script in Listing 10 monitors disk space, and you can set the warning (warninglimit) and emergency (lowlimit) limits, as well as the list of file systems that are checked.
诺斯罗普·格鲁曼公司已经获得了美国空军第一阶段价值3000万美元的合同，以研发全球空间监视地面雷达系统。
Northrop Grumman Corporation has been awarded the first phase of a ＄30 million firm-fixed price U.S. Air Force contract to develop a global space surveillance ground radar system.
发射和测试系统包括空间飞行的地面系统任务的监视，导航，飞行操作和分析，指挥和控制，通信和气象资产。
The Launch and Test Range System includes ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets for space missions.
提出了分布式空间目标监视系统概念，对空间目标光学可见性进行了分析，根据任务要求设计了分布式卫星系统的轨道和构型。
The concept of distributed space surveillance system was presented, the elements and detection method for space target sensor were studied, and the orbit and configuration of the system were designed.
在可见时间方面，天基空间目标光学监视系统对低轨目标的监视能力有限，而对高轨目标具有良好的监视性能。
On the aspect of observation time, it has limited efficiency for low earth orbit target space-based observation, and good efficiency for high earth orbit observation.
分析了二维和三维可视化的关系，阐述了三维空间下电力系统可视化的方法，并验证了三维空间电压监视的有效性和优越性。
The relationship between the two parts is discussed and the effectiveness and superiority of power system visualization in three-dimensional space is presented and verified.
分析了二维和三维可视化的关系，阐述了三维空间下电力系统可视化的方法，并验证了三维空间电压监视的有效性和优越性。
The relationship between the two parts is discussed and the effectiveness and superiority of power system visualization in three-dimensional space is presented and verified.
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