superior tree

The two-part rubber tree ( Hevea brasiliensis ) is a superior clone grafted on a seedling family.

在橡胶树优良有性系实生苗上嫁接优良无性系,即形成两合树.

Through the practice of superior tree collection at Shuigou Forest Farm of Luoping county since 1999, a set of technology on establishment of superior tree collection site was summarized.

通过自1999年在罗平县水沟林场开始的杉木优树家系收集建设的实践，总结完善了杉木优树收集区的营建配套技术。

Optimal height-diameter models for dominant coniferous species in Changbai Mountain, northeastern China Half-sib Progeny Test of Plus Tree and Superior Family Selection of Cunninghamia lanceolata

长白山主要针叶树种最优树高曲线研究杉木优树自由授粉子代测定及优良家系选择

The threaded binary tree based on the new algorithm is superior to the traditional one, and thus makes the WBS searching simpler and more effectual.

新算法生成的线索二叉树比传统的线索二叉树优越，从而使WBS搜索更加简单、有效。

Studies on Half-sib Progeny Test of Plus Tree and Superior Family Selection of Cunninghamia lanceolata

杉木优树半同胞子代测定及优良家系选择初步研究

However, suppose that a tree falls on the superior pig before it has produced offspring.

然而, 假定在这只良种猪产出小猪以前,它被一棵倒下来的树压死了.