tip root distance [机] 顶根距
distance root mean square 距离均方根值 ; 距离均方根 ; 均方根
root mean square distance 利用均方根位移 ; 均方根距离
DRMS Distance Root Mean Square 距离均方根值
root-mean-square distance 均方根距离
Distance Root Mean Squared 距离平均方根
The damage of shock wave mainly depends on peak overpressure and scaled cube root distance is the most common method to estimate the shock wave overpressure.
冲击波的破坏伤害作用主要取决于峰值超压的大小，立方根比例定律是定量估算冲击波超压最常用的方法。
Conclusion: the rate of root resorption of two methods are consistent, there's no relationship between the root resorption of the teeth transportation distance or treatment time.
结论：两种治疗方法的牙根吸收率是一致的；牙根吸收率与牙齿移动距离和受力时间没有关系。
Each observation could have been weighted inversely as the distance or as the square root of the frequence.
每次观测可以倒过来加权作为距离或作为频率的平方根。
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