您可另外购买注册升级、额外的展位工作人员注册和特殊活动的门票。
Registration upgrades, additional booth personnel registrations, and tickets to special events may be purchased.
如果您这样做，则应当注册它，以便其他开发人员可以编写组件来与您的组件通信。
If you do so, you should register it so that other developers can write components to communicate with yours.
用户注册人员解析插件。
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