下颌骨后退距离与舌骨垂直方向变化密切相关。

There was a significant correlation between the amount of mandibular setback and the vertical change of hyoid.

youdao

基于不亏本原则，确定回采下盘三角矿体的最合理切岩高度和后退距离。

Then, based on the principle of not losing money in mining, the optimal cutting rock height and stoping distance for extracting lying side triangular ore pillar are optimized.

youdao

下颌骨后退距离与后气道间隙面积的减小值和舌骨垂直方向变化呈正相关。

There was a strong correlation between the amount of mandibular setback and the vertical change of hyoid and pharyngeal airway area.

youdao