This article dealt with a brief introduction of cognitive differences on accelerated motions of the straight line between Chinese and Western scholars from the third century B.
简要介绍了从公元前四世纪到公元一世纪之间，中西方学者对物体直线加速运动的认识差异，并对产生这些差异的主要原因进行了探讨。
Results The differences of bacterial infection with the primary and opportunistic pathogens between group A and group B were insignificant(P>0.05).
结果上颌窦分泌物细菌学培养结果示A、B两组家兔原发致病菌与机会致病菌感染差异无统计学意义（P>0.05）；
The differences between group D(C)and B, A were statistically significant(P<0.05). But difference between D and C has no statistically significant.
D组与C组和第B、A组比较，有显著统计学差异（P<0.05），D组与C组两者之间并无明显统计学差异。
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