1.
Achievements on Species Improvement of Cathay Poplar Group and Breeding Base Construction
青杨派树种改良及综合繁育基地建设成果
2.
The Study on Improving the Pulping Properties of Poplar by Molecular Breeding Technology
杨树制浆性能改良的分子育种技术研究
3.
Progress of Plant Genetic Engineering Technology in Mulberry Improving
植物基因工程在桑树品种改良中的应用进展
4.
GENETIC IMPROVEMENT AND SEED ORCHARD MANAGEMENT OF MAIN AFFORESTATION SPECIES IN AUSTRALIA
澳大利亚主要造林树种的遗传改良及种子园经营技术
5.
Influences of Different Treatments on Soil Conditions and Plant Physical and Physiological Characters;
几种介质对土壤的改良作用及彩叶树种的生长生理响应
6.
This species has ornamental value as a garden plant.
本种树形优美，是良好的观赏树种。
7.
Seed Improvement and Development Programme
种子改良和开发方案
8.
To improve the quality of(livestock) by crossbreeding with purebred stock.
改良品种与纯种家畜杂交来改良（家畜）品质
9.
A Fractal Approach to Crown Structure and Rooting Characteristics of Poplar and the Strategies of Poplar Breeding;
杨树冠型、根系的分形特征及杨树改良策略
10.
Improved Reachability Tree and Reachability Decision of Petri Nets;
Petri网的改良可达树及可达性判定
11.
graft a shoot from a good apple tree into an old tree
将良种苹果树的嫩枝嫁接到一株老树上去
12.
The trees planted by the foreign visitors are growing well.
外国观光者种的那些树长势良好。
13.
Breeding and Selection of Desirable Rubber Clone Reyan 8-79
橡胶树优良品种热研8-79的选育
14.
There are more than 10 excellent species for management, more than 10 accessory species and 5 precious planting species.
迭部林区现有优良森林经营树种10余种,辅助树种10余种,珍稀造林树种5种。
15.
Study on Introduction and Selection of Clnnal Tea Improved Varieties in JiangSu Tea Area;
江苏茶区无性系茶树良种引种和筛选的研究
16.
The reformists came to realize the disadvantages of the old China.
改良派意识到了旧中国的种种弊端。
17.
Seed Extension and Germplasm Improvement on Maize in Mountainous Area;
山区玉米种质改良与杂交种推广探讨
18.
Research for improvement of chestnut has been discouraging and encouraging.
栗树改良的研究工作曾令人失望又曾使人鼓舞。