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- plus tree clone 优树无性系
- Repeatabillity is the most important genetic parameter in tree clone breeding. 重复力是树木无性系育种中的一个重要参数。
- plus tree clones 优树无性系
- 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。
- Morphological variance and natural types'division of plus trees of Larix principis-rupprechtii Mayr. 华北落叶松优树自然类型的划分。
- The genetic variations of seedling traits among open-pollinated families of plus trees of Betula luminfera H. Winkl. 光皮桦优良单株自由授粉子代苗期性状的遗传变异。
- Early Stage Test of Clones Originated From Plus Trees of Taxodium mucronatum Ten. 墨西哥落羽杉优良单株无性系苗期测定。
- Plus tree selection by sample plot method 标准地法选优
- plus tree of Eucalyptus grandis×E.urophylla 巨尾桉优株
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- The growth of all the progenies from the clones in the seed orchard have exceeded those from their plus trees in plantations,having an average gain of 9.1%(4.7%~14.1%) for height and 14.5%(9.9%~23%) for DBH. 树高增长9.;1%25;胸径增加14
- He seems to have mistaken a plus for a minus. 他似乎把正号误作负号了。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The bill was USD10, plus USD1 for postage. 帐款是10美元，再加上一美元邮费。
