Network teaching requires a lot of network coursewares. It needs courseware making system to make network coursewares.
网络教学需要大量的网络课件，要制作网络课件就要有课件制作系统。
Network teaching requires a lot of network coursewares. It needs courseware making system to make network coursewares.
网络教学需要大量的网络课件，要制作网络课件就要有课件制作系统。
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