Policies for school closure need to include measures that limit contact among students when not in school.

关闭学校的政策中需包含限制学生在校外进行接触的措施。

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If IBM product library pages do not offer the plug-ins you seek for download, contact IBM to help identify the need for the downloads.

若ibm产品库页面并没有提供所需插件的下载，那么您可以直接联系ibm寻求帮助。

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A particular contact, or requestor, usually does not need an entire data set but simply some particular filtered and structured part of it.

特定的联系者或请求者通常不需要完整的数据集，而只是其中一些特殊的已过滤和已结构化的部分。

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This means that affected taxpayers will need not contact the IRS to get this relief.

FORBES: IRS Announces Tax Relief For Oklahoma Tornado Victims

The UKBA website informs applicants that "you do not need to contact us to check the progress of your application".

BBC: Border Agency's visa renewal delay angers grieving woman

They do not need to contact the energy company.

BBC: E.On to pay ?1.7m in compensation over exit fees