珍贵树种 meaning in Chinese
precious species
Examples
- It is famous for its botanical diversity sustained by its freshwater resources . among them are many rare trees seldom seen elsewhere in china
：位于三亚市北部，岛上因有淡水资源，所以植物种类繁多，当中更有许多是珍贵树种，在当地甚为罕见。 - A lot of famous min - bridges have been built along the river , which displays the characteristics of luneng cambridge . many rare trees are planted along the road between buildings , like gingko trees . green grass is inlaid among them . residents here can fully enjoy the green and nature
沿河修建多座景色各异的缩微名桥，充分体现“鲁能康桥”的特色，楼间路旁种植银杏等珍贵树种，绿草镶嵌其中，令居民充分享受绿色和自然，让业主回归自然的情怀尽情释放。 - Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species , to increase the decorative effect . the veneers of hardwood species such as % populus tomentosa , paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff . the result shows : the acid dyestuff in textile industry could be used in wood dyeing process . compound dyeing can be adopted by using the mixture of several kinds of dyestuff . the different treatment methods before the wood was dyed affects the dyeing effect of wood . there is a great difference in the deformed degree of dyeing veneers , smooth level has a relation with wood density . the density of dyestuff , dyeing time and dyeing temperature and so on have many influences on dyeing effect . different technological process has been used in veneers of different wood speicies
木材单板染色有利于改善木材视觉特性，可以实现模仿珍贵树种木材的色泽，提高装饰效果.该研究选取毛白杨和泡桐等阔叶树种木材单板采用酸性染料进行染色实验，结果表明：纺织工业用酸性染料可用于木材染色，也可以采用几种染料混合复合染色；木材染色前的不同处理方法影响木材的染色效果；染色单板的变形程度有较大差异，平整度与木材密度相关；染料浓度、染色时间和染色温度等对染色效果有较大的影响，不同树种单板应采用不同工艺