The effects of distance between centers, beam waist, refractive-index and wavelength on axial radiation force are discussed.

讨论了离心距对纵向辐射力的影响，也讨论了束腰半径、介质折射率和波长对纵向辐射力的影响。

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However, all that rail (and distance) between city centers makes it seem like this is less a single mega-city and more like highly controlled urban sprawl.

然而，从城市中心间的铁路(和距离)这一点来看，超级城市计划更像是高度控制下的城市扩张，而不像是一个超级都市。

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It is obtained by making the track rod a different length to the distance between the king pins (or wheel swivel axis centers).

转向横拉杆的长度同主销间的距离不相等，就可保证各前轮以期望的角度旋转。

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For example, the distance between the centers of two black holes in galaxy clusters distant from each other and the gap between cell walls in a living organism differ on a vast scale, despite their sharing of common structures at the atomic level.

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But the truth is that during the late 20th century, the distance between these true believers and the centers of state power has not been very great.

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