青少年在学校学习过程中,大部分时间是在课桌椅上度过的。合适的课桌椅,是使学生保持良好坐姿的基本条件。对延缓疲劳、提高学习效率、预防脊柱弯曲和近视眼的发生上也有一定作用。为促使学校合理使用课 Teenagers spent most of their school time studying in school. Suitable desks and chairs, is to enable students to maintain good basic posture sitting. To delay fatigue, improve learning efficiency and prevent the occurrence of spinal curvature and myopia also have a role. To promote the rational use of the school