使用一个隐性的渠道是可以帮助你隐藏网上销售过程的一部分，比如掩藏酒店名称。
An opaque channel makes parts of the online sales process hidden, for example the hotel name.
隐性课程是学校教育实践和教育结果中不可或缺且有效的组成部分。
Hidden curriculum is a necessary and effective component in the practice and result of school education.
该系统分为基于主题地图的显性知识导航，及基于人际网络的隐性知识导航两个部分。
Such system consists of two sub-systems:one is the topic map based explicit knowledge navigation system and the other is the interpersonal network based tacit knowledge navigation system.
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