铸钢锁轴在加工螺纹时轴杆端头断裂。

Casting steel container rotating lock axle rod-head fracture in machining screw.

youdao

四元数就不会遭受万向节锁的痛苦，因为它不用三个分离的轴表示旋转。

Quaternions do not suffer from gimbal lock, because they do not express rotations relative to three separate axes.

youdao

这种自锁性能只能是手柄带动着齿轮轴的转动及齿条轴的移动，而不能是齿条轴带动着齿轮轴的转动。

This performance can only be handle driving a gear shaft to rotate and rack shaft to move, but not gear shaft drive gear shaft to rotate.

youdao