principal axis

基本解释

Believable quality Complete serve control system and electric principal axis.
全套伺服控制系統，主軸電機採用進口産品，品質高；
A new circuit used for the grating torque sensor of hydraulic turbine's principal axis system is designed.
針對水輪機主軸扭矩檢測系統中的光柵扭矩傳感器，設計了一種新型電路。
The monitoring principle which includes machine tool vibrancy, principal axis displacement, cutting tool temperature, cutting force of cutting tool, temperature field of turner is discussed.
論述了對機牀的振動、主軸的位移、刀具溫度、刀具切削力、鏇轉工件溫度場進行監測的原理。

the line passing through the optical centre and centres of curvature of the faces of a lens or a curved mirror

主軸
Rotating the image according to the inertial principal axis can normalize it in position.
通過計算慣性主軸及圖像鏇轉完成了位置歸一化処理。
物理學
主軸
主光軸