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.
在完成对开口主梁细致完整的计算分析之后，总结主梁开口效应得出相关结论。
After finishing the detailed analysis and integral calculation of the aperture girder, then summarize relevant conclusion from main girder's aperture effect.
在完成对开口主梁细致完整的计算分析之后，总结主梁开口效应得出相关结论。
After finishing the detailed analysis and integral calculation of the aperture girder, then summarize relevant conclusion from main girder's aperture effect.
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