Subsequently, the thesis makes inspection and complement on analytical results by questionnaires with application of positive analysis.
然后，通过问卷调查，运用实证分析方法，对理论分析的结论进行检验和补充。
This study dealt with the effects of chromosome complement on callus induction and differentiation in 15 Triticum species of different Ploidy in 1987-1988.
1987年和1988年以染色体倍数不同的-15个小麦种为材料，研究不同染色体组成对诱导愈伤组织和分化绿苗的效应。
This study dealt with the effects of chromosome complement on callus induction and differentiation in 15 Triticum species of different Ploidy in 1987-1988.
1987年和1988年以染色体倍数不同的-15个小麦种为材料，研究不同染色体组成对诱导愈伤组织和分化绿苗的效应。
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