The damage ratio of superficial nerve was lower after operations for parotid glands. 浅叶及良性肿瘤术后面神经损伤率低。
The paper analyzed the deflection of a compound planetary gear set and calculated the damage percentage of its roller bearing. 针对某行星变速机构复合排行星齿轮和滚针轴承进行了受力变形分析和损伤率计算。