The fourth medium, namely the Internet, has a great influence on the practice and theory of news propagation.
第四媒体即因特网对新闻传播的实践与理论，产生了深广的影响。
Network communication is the second world for human communication and spiritual exchange other than the Fourth Medium what people have said.
网络传播并不是人们所说的“第四媒介” ，而是人类传播和精神交往的第二世界。
Therefore interaction Hamitonian of the single mode light field with the medium is proportional to the fourth power of the annihilation operator plus creation operator.
因此，单模光场与此介质相互作用的哈密顿量正比于光场的湮灭算符与产生算符和的四次方。
The communication medium includes first, second, third, fourth and fifth display areas.
通讯媒介包括第一、第二、第三、第四和第五显示区。
The communication medium includes first, second, third, fourth and fifth display areas.
通讯媒介包括第一、第二、第三、第四和第五显示区。
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