采用SAS8.1统计软件进行统计学分析,等级计数资料采用秩和检验,P<0.05及0.01均表示有统计学意义。5个回答 To adopt sas8.1 statistical software for statistical analysis level count data using the Wilcoxon rank sum test, p <0.05 and 0.01 are statistically significant.2013-05-23 12:21:38 回答:匿名 With ...