Those conclusions are significant to the study and design of five bar mechanisms.
对五杆机构的设计和分析具有指导意义。
Objective to study whether a physical cricopharyngeal bar is related to aging.
目的研究器质性环咽肌压迹与老龄化是否有相关性。
Objective to study whether a physical cricopharyngeal bar is related to aging.
目的研究器质性环咽肌压迹与老龄化是否有相关性。
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