The genetic variation of paulownias natural stem-join characters was studied by means of field observation, field test and statistical analysis.
运用野外观察、田间试验和统计分析的方法研究泡桐自然接干性状的遗传变异规律。
The comment on statistical test of correlation coefficients and others are given. The statistical test is used to apply to some analysis of climate variation of meteorological elements.
针对目前在气象和气候要素变化分析中，对相关系数和合成分析使用统计检验存在的若干问题进行评论。
By means of statistical analysis of individual character in 11 individuals, large variation among individuals was found in yield, proportion of fertile flower and fruit size.
通过对11个单株个体性状的统计分析，发现在单株产量、可育花比例、果实大小方面个体间差异极大。
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