private industry的音标：private industry的英式发音音标为：['praivit 'indəstri]private industry的美式发音音标为：['praɪvɪt 'ɪndəstri]...

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Visual position measurements in astrometry are most affected.天体测量学中视位置的测量受影响最大.A new theoretical system of astrometry in the frame of relativity ought to be finished.天体测量学需要在相对论框架下重新建立自己的理论体系.In this paper, the present s...