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无性系选择     
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  clonal selection
     a for four trial forests,it was euggested that the clonal selection should not be carried out at 2~3? a,the first selection should be at 4~6? a、the second selection at 8~9?
     通过分析计算得出 :杉木优良无性系选择是可以在早期进行的 (但不宜在造林后 2~ 3a时进行 ) ,其初选年龄应是造林后 5~ 6a ,精选年龄在 8~9a。
短句来源
     were tested at Wujiang nursery in March,2004.The ground diameter(D) and height(H) of each ramet were investigated in March,2005.A significant variation of growth was found among clones based on the results of ANOVA,thus,it was profitable to make clonal selection at nursery. The broad-sense heritabilities of ground diameter and height were 0.2029 and 0.2673 respectively.
     方差分析结果显示,苗高、地径无性系间差异均达到极显著水平,苗高、地径的广义遗传力分别为0.267 3和0.202 9,表明开展速生型无性系选择是可行的。
短句来源
     CLONAL SELECTION IN COMBINATION WITH TIMBER PRODUCTION OF CHINESE FIR (CUNNINGHAMIA LANCEOLATA)
     杉木无性系选择与木材生产相结合的研究
短句来源
     Genetic correlation analysis indicated that super clonal selection and breeding for veneer timber could be realized through indirect selection of wood density and form indexes.
     遗传相关表明对单板材可通过木材密度与干形等形质指标进行优良无性系选择
短句来源
     Four clonal varieties of Lu Poplar 31,6,70 and 69 have been selected by crossing Shanhaiguan Poplar with Tower Simon Poplar and the clonal selection. These four clones have advantages of easy to breed,narrow crown,stronger salt enduring and growth better than Balizhuang Poplar. They are suitable for building field forest net and alternation of forest and crop on inland mildly alkaline soil.
     通过山海关杨与塔形小叶杨杂交及无性系选择,选出鲁杨31、鲁杨6、鲁杨70和鲁杨69四个容易繁殖,树冠窄,耐盐性较强,生长量优于八里庄杨的优良无性系,适用于内陆轻度盐碱地建立农田林网及林粮间作。
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  clone selection
     Study on Clone Selection for Larix Kaempferi
     日本落叶松无性系选择研究
短句来源
     CO 2 respones of net photosynthetic rate and water utilization efficiency had very important significance in clone selection, while CO 2 compensation point was senseless.
     在无性系选择中,净光合速率和水分利用率的CO2响应具有重要的意义,而CO2补偿点意义不大。
短句来源
     Age-age correlations between 13,18,and 46 months were significant at 0.01 level in all the growth traits,indicating the availability of clone selection at a relatively early age.
     无性系各生长性状在13、18、46个月生之间的年年相关均达到0.01显著水平,表明在较早生长期进行无性系选择具有一定的可行性。
短句来源
     5. There were two arrangement works that have been done for clone selection in fir.
     5.杉木无性系选择分二个层次进行。
短句来源
     Clone Selection of Casuarina equisetifolia and its Application of Reforestation on Sand Land
     木麻黄无性系选择及其在滨海沙地更新造林中的应用
短句来源
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  clones selection
     The Study for Elite Clones Selection of Acacia mangium
     马占相思无性系选择研究
短句来源
     Application of Physillogical Indices to Clones Selection in Chinese fir
     生理指标在杉木无性系选择中的应用
短句来源
  superior clone selection
     This paper studies China fir in the respect of superior clone selection during seedling stage. We adopt the ameliorating comparision and random regional group method in the field design, investigate every tree in the experimental field many times, and make a statistical analysis of the data from 33 000 groups.
     采用苗期选优法进行无性系选择 ,田间设计采用改良对比法和随机区组法 ,对湖南省金洞林场杉木优良无性系进行了选择研究 .
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      clonal selection
    Chromosome Rearrangement Breakpoint Clustering: The Role of Clonal Selection
          
    A special attention is paid to the analysis of intracellular signals underlying the clonal selection of thymocytes.
          
    Some reaction rules including clonal selection rules, immunological memory rules and immune regulation rules are introduced.
          
    In addition to its nonlinear classification properties, APAI possesses biological immune network properties such as clonal selection, immune network, and immune memory, which can be applied to pattern recognition, classification, and etc.
          
    A clonal selection algorithm for null synthesizing of linear antenna arrays by amplitude control
          
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      clone selection
    Reduction of rough set attribute based on immune clone selection
          
    A novel attribute reduction approach of rough set based on immune clone selection is proposed.
          
    In this paper, we propose an analogy based immune recognition method that focuses on the implement of the clone selection process and the negative selection process by means of analogy similarity.
          
    The clone selection criteria were based on growth traits, basic density, and sound velocity indices to mirror the range in wood density and moe amongst c.
          
    A new procedure for increasing efficiency of protoplast plating and clone selection
          
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