依据不同的分类标准，总结了潜山的各种分类与特点。
The classification and characteristics of buried hills are summarized according to different classification criteria.
其次从教育理论的宏观角度上对课程资源的概念进行界定，包括介绍课程资源的分类与特点。
Next carries on the limits from in the education theory macroscopic Angle to the curriculum resources concept, including introduction curriculum resources classification and characteristic.
在分析中长跑现状的基础上，提出了训练能力的概念，概括了教练员、运动员训练能力的分类与特点、关系与差异。
This paper states the concept of the training ability, basing onthe present base of mid and long-distance running.
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