目的减少下颌骨形态测量的偶然性误差，提高测量精度。

Objective To minimize the chance error and increase the accuracy of mandible bone measurement.

youdao

目的减少下颌骨形态测量的偶然性误差，提高测量精度。

Objective To minimize the chance error and increase the accuracy of mandible bone measurement.

youdao