By multiple comparisons, these differences are mainly reflected between primary schools and junior high schools, junior high schools and senior high schools. And compared with junior high school students,the mental health state of students in primary schools and senior high schools is poor.
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One-way ANOVA was again used to decide significant differences in the use of strategy categories. This was followed by multiple comparisons using LSD to identify where the differences lay.
利用单因素方差分析检验三组学生之间在策略使用上是否存在显著差异，采用LSD的多重比较进一步指明此种差异存在于哪两组学生之间；
By inoculation on apple with 2 wild canker pathogens and their nitrite mutant isolations and heterokaryotic isolations, the pathogenicity was got and analyzed by variance and multiple comparisons.
以2株溃疡病菌株及其亚硝酸盐诱变菌株、异核体菌株接种苹果进行致病性测定，经方差分析和多重比较表明，溃疡病菌致病力变异可由亚硝酸盐诱变、异核体产生。
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