螺杆由安装在机器轴向的马达驱动。

A drive motor placed in the longitudinal axis of the machine takes care of the screw drive.

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陀螺仪测量机体围绕某个轴向的旋转角速率值。

A gyro measures rate of rotation around a particular axis.

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它们通过保持架的轴向滑动区或加工过的轴承圈挡边轴向的引导。

They are axially guided by the axial sliding areas of the cage or by the lips of machined bearing rings.

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In the meantime the Eiffel Tower is a wonderful way of showing the degree to which the vertical axis is virtual.

与此同时，埃菲尔铁塔,很好地向大家展示了,竖轴在何种程度上是虚拟的。

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But in sigma orbitals, you have no nodal planes along the bond axis, so if we had a nodal plane here, we'd see an area where the wave function was equal to zero.

但在sigma轨道里，沿着轴向是没有节点平面的，如果我们有个节点，我们就会看到某个地方波函数等于0。

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