数据区域类用于在系统上读取、写入、创建和删除数据区域。

The data area classes are used to read, write, create, and delete data areas on the system.

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这就是为什么我们生活在哪一类区域对创新如此重要。

This is why the kind of place we live in is so important to innovation.

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相反，应用程序开发人员必须在把应用程序部署到移动设备中之前，在开发平台或登台区域上预先验证类。

Instead, the application developer must preverify the classes on a development platform or staging area before deploying the application into mobile devices.

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