The primary way you can control trace is by using the -Xtrace option on the command line or you can use the optional trace properties file if the option set is long or complex.

控制跟踪的主要方法是使用命令行选项 -Xtrace，或者在选项集比较长或复杂的情况下，使用可选的跟踪属性文件。

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If you are referring to setting up sub domains as an Alias domain or a primary domain. You should be able to set that up within the Hosting control center.

如果您想要把其它域名设置为主域名或者附属域名，您可以在控制面板中进行设置。

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Conclusions:To set up the respiratory passage way and control breath via ventilator were a primary step for saving successfully;

结论：及时建立呼吸通道给予呼吸机控制呼吸是保证抢救成功的首要步骤；

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