Knowledge information dissemination; Service function; Ningxia Guyuan.
知识信息传播；服务功能；宁夏固原。
Internet has fully displayed the mass media dissemination function as the fourth media.
互联网作为第四媒体，充分发挥了大众传播的功能。
Internet has fully displayed the mass media dissemination function as the fourth media.
互联网作为第四媒体，充分发挥了大众传播的功能。
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