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。

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。

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。

Click on the Keep-Out layer TAB so you will be placing the tracks on this layer only.

点击保存输出层的标签，这样您，将会在这一层的轨道只。

We have to keep a close TAB on daily sales.

我们必须仔细登记每日售量。