longitudinal axis

基本解释

The longitudinal axis of the picture above represents the sensitivity of our eyes to a certain corresponding wavelength.
上图中的纵轴代表人的眼睛对于某对应波长的光的敏感度。
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It can roll about a line from nose to tail --- the longitudinal axis; and it can yaw, left or right, about the vertical axis.
他可以绕着从机头到机尾的纵轴来翻滚；并且可以绕着竖轴向左或向右偏航。
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Roll axis - Longitudinal axis, passes through the airplane from front to rear - wing up and wing down control is by ailerons and flight spoilers.
横滚轴—又称纵轴。由飞机的前部通向后部。机翼下运动由副翼和飞行扰流板控制。