To change teaching method and improve teaching quality is the core of PE.
改变教学方法、提高教学质量是体育教学的核心。
After many years of PE teaching in colleges, as we re-examine the various elements of the physical education, we are trying to find a core element of the reform of PE teaching in colleges.
经过多年高校体育教学，我们在重新审度构成体育课诸要素的同时，努力寻找高校体育教学改革的核心要素。
The cable core is filled with the filling compound to protect it from water ingress, over which a thin PE inner sheath is applied.
松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内的缝隙充以阻水填充物。
School-based management of PE courses is the most animated element of the management system of PE courses as well as the core of the development of PE courses as a whole.
体育课程校本管理是体育课程管理系统中最具活力的环节，也是整个体育课程的开发中心。
School-based management of PE courses is the most animated element of the management system of PE courses as well as the core of the development of PE courses as a whole.
体育课程校本管理是体育课程管理系统中最具活力的环节，也是整个体育课程的开发中心。
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