The density of PE course has directly influence on implementing the teaching task and building up the physique of the students.
体育课的密度对于完成教学任务，增强学生体质有着直接的影响。
The density of PE course has directly influence on implementing the teaching task and building up the physique of the students.
体育课的密度对于完成教学任务，增强学生体质有着直接的影响。
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