principal axis

 
       
  • n. [物]主轴
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principal axis的英文翻译是什么意思,词典释义与在线翻译:

英英释义

Noun:
  1. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted;

    "in a normal eye the optic axis is the direction in which objects are seen most distinctly"

principal axis的用法和样例:

例句

用作名词 (n.)
  1. The main axis of a compound leaf.
    复叶的主轴。
  2. Some turrets can also roll along their main axis if needed.
    也可以把炮管设置为可环绕自身主轴旋转。
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