...聚乙烯(PE)和聚丙烯(PP)制成,也可以由聚氯乙烯和聚酰胺制成。叶子是绿色的,模仿自然的草,需要紫外线吸收剂。聚乙烯(PE):感觉更柔软,外观和运动功能更接近天然草,被用户普遍接受。广泛应用于天然草类纤维原料市场。
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College physical education is the highest level and the last stage of school PE.
大学体育是学校体育的最高层次和最后阶段。
参考来源 - 论大众健美操的教学艺术Therefore, every PE teacher should adjust himself/herself in time, study new theories and review the functions of PE.
对此,每一个高校体育教师应该及时调整自己,学习新的教育理论,重新审视学校体育的功能。
参考来源 - 全球化、教育现代化视角·2,447,543篇论文数据,部分数据来源于NoteExpress
N-UNCOUNT In schools, PE is the school subject in which students do physical exercises or take part in physical games and sports. PE is an abbreviation for . 体育课,physical education的缩写
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