These are public service ads from the social nature of the decision to make public service ads can be a very good business and the public one of the channels of communication.
这些都是由公益广告的社会性所决定的，使公益广告能很好的成为企业与社会公众沟通的渠道之一。
The purpose of public service advertisements (PSAs) is to promote the useful concept for the public interest. It is an activity of advertising communication.
公益广告是为公众利益服务的、以推广有利于社会的公益观念为目的的广告传播活动。
Concerning the insecure factors of Short Message Service (SMS) in public mobile network, a SMS system for secure communication was put forward.
针对目前移动公网中短信系统存在的不安全因素，提出了一种安全短消息通信系统。
In many public service advertising campaign of the factors, forms of communication and dissemination of results of the appeal for the public service and social influence has set a crucial role.
在诸多影响公益广告传播效果的因素中，传播形式和传播效果对于公益广告的感染力和社套影响力具有着关键性的作用。
The data and multimedia communication networks in service in Hubei province includes PSPDN, DDN, CHINANET and the public multimedia network.
湖北省已开通运行的数据及多媒体通信网有：分组交换网、数字数据网、CHINANET及中国公众多媒体通信网等。
The data and multimedia communication networks in service in Hubei province includes PSPDN, DDN, CHINANET and the public multimedia network.
湖北省已开通运行的数据及多媒体通信网有：分组交换网、数字数据网、CHINANET及中国公众多媒体通信网等。
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