The nasal bones articulate with each other medially , the frontal bone superiorly , the maxilla laterally , the perpendicular plate of the ethmoid posteriorly , and the upper lateral cartilages inferiorly .

鼻骨在中线处相互联接，向上与额骨，向外与上颌骨，向后与筛骨垂直板，向下和上外侧软骨相接。

Mainly manifests in can reduce medium lives faces gives birth to the slippery scope inferiorly , can promote medium to live and develops toward the top student .

主要体现在能减小中等生朝差等生下滑的幅度,能促进中等生朝优等生发展。