·2,447,543篇论文数据，部分数据来源于NoteExpress
By analyzing operator's fatigue states under different working posture on assembly line, studys the fatigue threshold and working time rate of standing posture, sitting posture and alternate posture.
通过对流水线上操作人员在不同作业姿势下的疲劳分析，研究站姿、坐姿和站、坐交替三种姿势的疲劳时间阈值和劳动时间率。
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