这令人印象深刻的无故障盆景是一个初学者的优良树种。
This impressive trouble-free Bonsai is an excellent tree for the beginner.
云杉是青海省县主要的天然林资源，也是荒山造林和城镇绿化的优良树种。
Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.
柠条属于沙生灌木的一种，不但是防风固沙的优良树种，而且还具有很高的经济价值。
Caragana is a sort of sandy shrub, it not only protects environment, but also has economic value.
桃叶卫矛是优良的观赏树种。
滇南红厚壳是云南新发掘出来的一种优质造林树种，其树干通直圆满，材质优良，是制作刨切单板的优质材料。
Calophyllum polyanthum is a reforestation species of Yunnan province with the quality of straight stem and good wood quality.
随着人类对木材资源的需求不断增长，开发优良用材树种具有重要的意义。
Along with the massive demands on timber resources, discovering and developing the fine timber wood resource has the vital significance.
既是优良的绿化树种，又是优美的观赏树种，抗病虫、抗污染、抗核辐射，环境适应性强是它的主要生长特点。
It is an excellent greening species as well as a beautiful ornamental. Its growth characters are pests and diseases resistance, antipollution, anti-nuclear radiation, high environmental adaptability.
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。
There are more than 10 excellent species for management, more than 10 accessory species and 5 precious planting species.
具有育苗及造林成活率高、速生、抗性强等特性，是优良的杨树工业用材树种，特别适宜培育胶合板材。
It is a quality variety with traits of high survival rate, fast growth rate and resistance to adversity conditions, and suitable for industrial purpose, especially for plywood.
树冠窄小的乐东拟单性木兰生长速度中等，但其木材密度大、径向均匀性高，是优良的珍贵用材树种；
P. lotungensis is also an excellent precious timber specie with higher wood density and radial uniformity, though its growth rate is medium.
马褂木是我国南方优良的造林绿化树种，也是山地丘陵地区优先发展的纸浆纤维材和胶合板用材树种。
Liriodendron Chinese is a superior virescence forestation specie, also a paper pulp-making and veneer-making specie in south China.
拟赤杨是一种生长快，干形直，用途广的优良速生阔叶树种。
Alniphyllum fortunei is a fast growing broadleaf specie, which has straight stem form and can be used for many pur-poses.
已有研究表明，我国西南部是茶树的起源中心，孕育了丰富的茶树种质资源，为优良品种的选育奠定了优良的基础。
It has been proved that Southwest of China is the origin of tea plant, having rich of tea resources and good foundation for breeding.
尾叶桉是我国南方的一种速生丰产树种，是一种优良的造纸纤维原料。
Eucalyptus urophylla is a main kind of fast-growing wood in south China, and is a good raw material for pulping and papermaking.
尾叶桉是我国南方的一种速生丰产树种，是一种优良的造纸纤维原料。
Eucalyptus urophylla is a main kind of fast-growing wood in south China, and is a good raw material for pulping and papermaking.
应用推荐