Results There was no significant difference between the two groups with regard to motor frequency, but the rate of mistake in the old group was significantly higher than that in the young group.
结果两组间的运动频率无明显差异,但中老年组的错误率显著高于青年组。
The time history of drift motion of mooring buoy in regular wave and wave group is calculated. The relation between drift motion and wave height or difference of frequency is discussed.
计算了规则波和波群中系泊浮筒漂移运动的时间历程,讨论了其运动与波高、频差的关系。
The genotype and allele frequency of ALDH2 in alcoholic cardiomyopathy group and alcohol dependent group were no difference.
嗜酒组和酒精性心肌病组各种基因型频率及等位基因的频率无统计学差异。
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