The stator surrounds—but does not touch—the rotor, which is free to rotate on its axis.

定子在转子周围地区，但不触摸转子，转子则自由地按轴转动。

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Then, the effective distance expression of angular spectrum along optical axis has been introduced by comparing this equation with the free propagation equation.

接下来，将此传输方程与光在自由空间的传输方程相比较，引入了角谱轴向传输的等效距离公式。

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Sun Valley of Expo Axis applies free-form design idea, which is reticulated shell structure with bolt connection joint.

上海世博会世博轴阳光谷采用自由形态设计理念，是一种采用栓接节点的网壳结构。

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Axis is ready and free to use as of today, although Android users won't get their turn until closer to the end of the year.

ENGADGET: Yahoo Axis on desktop, iOS unifies your bookmarks, makes the web visual (hands-on)

Tuscaloosa and Joplin, while hardly tornado-free, are a ways off the usual major axis of destruction.

FORBES: The Great Tornadoes Of 2011 Put In Perspective

Golden-i is a full PC, runs Microsoft OS. offers unique Hands-Free user interface: advanced speech recognition in 26 languages with 6 axis gesture recognition.

FORBES: The Cyber Display Telephone