longitudinal plane

基本解释

One is concave whereas the other is convex and faces the longitudinal plane of symmetry X.
一个是凹入的，而另一个是凸起的，并面向纵向对称面X。
The definition of sagittal plane is that a longitudinal plane divides the body into right and left sections.
矢状面代表纵向的平面将人体分开左右两部份。
On analyzing the longitudinal plane motion equation and lateral plane motion equation in guided phase, the guidance logic for perpendicular impact task was devised.
通过分析导弹在导引段的纵向平面运动方程和侧向平面运动方程的特点，设计了实现垂直打击任务的制导逻辑。