plus-tree

基本解释

• 优树

同根派生

英汉例句

• Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn.
  白榆优树表型测定的遗传学初步分析。
• Preliminary Selection of Superior Families and Plus Tree on Platanus occidentalis L.
  一球悬铃木优良家系及优良单株的选择。
• Title： Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn.
  关键词：白榆;优树;遗传参数;通径分析;直接影响;间接影响
• Then such plus tree" s cold tolerant abilities have been assessed using electricity-conductivity methold.
  为合理开发利用、保存桉树基因资源及遗传改良提供科学依据。
• By the experiment, we can draw a conclusion that the cadastral vector data transformation based on B plus tree index is an efficient method and has a bright future.
  实验表明，基于B+树索引的数据转换方法，可大幅度提高数据转换的效率，是实现数据共享有效可行的、很有前景的一种方案。