机械方面的pitch什么意思

oll,左右摇晃、翻滚
pitch 上下颠簸,运动
yaw 是偏移航向,轨道
Also provided are means to the non-contact direct sensing of roll,yaw, and pitch motion as a single joint.
还提供了一体化无接触直接探测上下,左右及偏移运动的手段（方法）.