... Body Surface Area Coverage 面积覆盖率 teaching in area coverage 区域教学系统 coverage area coverage 覆盖范围 ...
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This paper introduced a system of teaching in area coverage based on CATV integrated network, nd made a brief account of its structure, functions, characteristic and teaching modes.
本文介绍了一种基于有线电视双向HF C网络的区域教学系统，对此新系统的结构、功能、特点以及教学模式等方面进行了扼要说明。
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