为更快更好的建设网上课程，必须把握上网课程中媒体信息的运用与网站主体结构的设计。

To do a better job of it, attention must be paid to the application of the media information of the web-course and the design of the main structure of the web-course.

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针对“信号与系统”、“数字信号处理”课程的特点，运用MATL AB软件进行模拟实验、课程设计，并运用多媒体教学提高了教学效果。

According to the characteristics of "signal and system" and "digital signal processing", the MATLAB software was used effectively on the simulation experiment, course design and multimedia teaching.

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