世界卫生组织认识到这些障碍，建议“在资源许可和已确定疾病负担的地方”使用Hib疫苗。

The World Health Organization (WHO), recognizing these obstacles, recommends Hib vaccine "where resources permit its use and the burden of disease is established".

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为了限制使用，您将指定虚拟门户用户的许可授予所需的共享资源或资源。

To limit usage, you grant permissions for users of specify virtual portals to the desired Shared resource or resources.

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然后探讨其它主题 - 从用户界面设计到储存数据和使用许可资源建立（如所需要那样）。

Then explore other topics —from designing a user interface and setting up resources to storing data and using permissions —as needed.

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