The teaching of computer multimedia often needs to use the images that are captured from computer's screen to make courseware, or to magnify some local content in screen during teaching.

多媒体教学常需要使用从计算机屏幕上截取的图片制作课件，或在教学过程中放大显示屏幕某个局部内容。

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The teaching of computer multimedia replaces the traditional teaching way in class with its rich content and lively condition, and creates a new way of teaching methods.

计算机多媒体教学以其丰富的教学内容，形象生动的教学情境，逐步打破传统的“粉笔加黑板、课本加笔记”的教学方式，构建起新型的教学模式。

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Today, the computer technology and information technology are developed at full speed, the computer-assisted teaching popularizes day by day, the multimedia technology is used widely in teaching.

在计算机技术和信息技术飞速发展的今天，计算机辅助教学日趋普及化，多媒体技术在教学中得到了广泛应用。

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