Overall, media richness and communication control appeared to be valid constructs in explaining teenagers' MSN feature use and online friendship development.

总之，媒介丰富和传播控制能很好的解释青少年MSN使用和线上交友上的特征。

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This paper analyzes email paralinguistic features from the perspective of media richness theory and further proves email has been a rich and effective medium in computer-based communication.

本文旨在通过对电子邮件交际中副语言特征的分析，利用媒体丰富度理论来证明电子邮件是电脑媒体交际中丰富度较高的媒体。

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While QNX is a strong platform that delivers on performance, graphics and multitasking features, Gartner analysts said success in the media tablet market will be driven by richness of ecosystem.

从性能、图像及多任务处理来讲，QNX是一个很强大的平台。Gartner分析师称，丰富的生态系统将决定着在平板电脑市场的成功。

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Ms. DICKSON: I hope it adds some texture and richness to the dominant media portrayal of the civil rights movement as being passifist in nature.

NPR: 'Negroes with Guns': A Radical Battle with Racism