The Centers for Disease Control and Prevention based the study on household telephone surveys in late 2007.

美国疾病预防控制中心的这次研究是建立在2007年年底的家庭电话调查的基础上。

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Despite criticisms about Facebook's privacy Settings, the site gives us far more control over our interactions than we have on the telephone.

尽管针对Facebook的隐私设置有很多批评，这个网站给我们提供的的交流控制比电话要多得多。

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They were first used back in the late 1960s in communications to control electromechanical telephone switches.

它们最初于六十年代晚期在通讯中被用于控制机电电话交换机。

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Do Assistant includes modules for project planning, contact management, time and billing, faxing, e-mail, scheduling, telephone control, and word processing.

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Its wish to provide telephones and electricity to those who cannot afford them makes it reluctant to surrender control of the state telephone and electricity companies.

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The study was conducted by the National Center for Health Statistics, which as part of the Centers for Disease Control and Prevention regularly uses telephone surveys as a source of information about public health trends.

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