If the use of that variable spans multiple activities, you define the variable at the workflow level so that any element can access it.

如果该变量的使用扩展到多个活动，您可以将变量定义为工作流级，这样任意元素都能访问它。

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This level of access control provides additional administrative control, especially useful for supporting multiple organizations.

这种级别的访问控制提供了额外的管理控制、特别适合支持多个组织。

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Form resources are now cached at both the browser level and the application server level so that multiple users can quickly access the form resources.

现在，在浏览器级和应用服务器级都会缓存表单资源，这样多个用户都可以快速访问表单资源。

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