You also keep a TAB on the number of total time zones for the later construction of percentages.

您还可以保持一个关于总时区数的标签，以便将来创建百分比。

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If you want to find out what's going on, open JConsole, click the Classes TAB, and keep a lazy eye on the class count as time goes by.

如果您想要弄清楚发生了什么，打开JConsole，单击Classes选项卡，过一段时间查看一次类计数。

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Pros: This specific tool has a mobile app, which allows you to keep a TAB on your visitors even when you are not around your system.

优点：这种特殊的工具有一个移动应用程序，它可以让你保持你的访客卡，即使你是不是在你的系统。

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The energy efficiency tools can be used with a network of assets such as smart meters, smart plugs and building management systems to keep a tab on real-time energy use of corporate assets.

FORBES: What sustainability reporting software is the right one for you?