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1·Objective To investigate the X ray features of precocial congenital skeletal syphilis.

目的探讨先天性早发型骨梅毒x线表现及其特点。

2·The Chinese civilization based on the extremely unenlightened level of productivity, science and culture inevitably bears the character of being precocial.

肇基于生产力水平和科技文化极端落后时代的中华文明，不可避免地带有早熟性。