In most Web applications, the contents of a page may not only be text, but might also include multimedia items.
在大多数Web应用程序中，某页面的内容可能并不只是文本，可能还包含多媒体项。
Teachers themselves should fully understand the contents that they teach, grasp the technique to make multimedia courseware, merging ones own idea into the slides properly.
教员本身对所讲内容要充分理解，掌握多媒体课件制作的技巧，把自己的想法恰当地融入到幻灯片中。
The familiarity, embodiment, perceptibility and basic level categorization of the contents carried by the multimedia-interface are crucial for children to construct sound mental model.
界面源域中内容的熟知性、形体性、感知性和基本等级性是儿童对抽象概念构建一个清晰的心理模式的关键。
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