光轴 optical axis
optic axis
principal axis
[光] ray axis
- 在一般的情况下光轴与分子的长轴方向一致。
Under commonly circs, its optic axis and molecule long axis is accordant. - 泵主光轴轴径尺寸充裕(重型),整机运行平顺;
Pump shaft diameter is sufficient (heavy) duty, the whole machine operates stably. - 当瞄准镜光轴与枪膛轴线不在同一铅垂面内时,对武器射击精度有影响。
When scope sight and gun-barrel axis are not at the same vertical surface, the firing accuracy is also affected.