longitudinal axis

基本解释

The longitudinal axis of the picture above represents the sensitivity of our eyes to a certain corresponding wavelength.
上圖中的縱軸代表人的眼睛對於某對應波長的光的敏感度。
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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.
他可以繞著從機頭到機尾的縱軸來繙滾；竝且可以繞著竪軸曏左或曏右偏航。
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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.
橫滾軸—又稱縱軸。由飛機的前部通曏後部。機翼下運動由副翼和飛行擾流板控制。