The media, media function, media surveillance and its application in areas of disease control were discussed.
探讨了媒体、媒体功能、媒体监测及其在疾病控制领域中应用。
Within the Replace Media function the Content Information and Preservation Description Information (PDI) must not be altered.
在替换介质功能中，内容信息和保存描述信息(PDI)绝对不能改变。
Within the Replace Media function the Content Information and Preservation Description Information (PDI) must not be altered.
在替换介质功能中，内容信息和保存描述信息(PDI)绝对不能改变。
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