PC makers Dell, Lenovo and Acer are all pushing into smartphones, which offer advanced services such as streaming video, E-mail and GPS in addition to voice calls.

个人电脑制造商戴尔，联想和宏基都在准备推出智能手机，它们会提供先进的服务，除了语音通话之外，还有流媒体，电子邮件和GPS。

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The ongoing convergence of voice, E-mail, video, instant messaging and other communications systems will continue to create demand for networking specialists with implementation experience.

语音，电子邮件，视频，即时通信和其它通信系统的不断融合将会继续提升对有实施经验的网络专家的需求。

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Teaching means include: Both teacher and student shall own their own network video device, network voice device, telephone (short message service), E-mail, etc. and other communication methods.

教学手段包括：师生各自拥有的网络视频、网络语音、电话(短信)、邮箱和其它通讯方式。

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