轨道的取向与单壁碳纳米管的管径和曲率有密切的关系。
Studies show that orbital orientations are related to the curvature and diameter of single-wall carbon nanotubes.
尤其是在城市化进程中出现的问题，税收政策的取向问题更是直接影响我国城市化能否沿着正常的轨道行进。
In particular question which appears in the urbanized advancement, the tax policy orientation question affects our country urbanization to march forward directly along the normal track.
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