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- One reason is the stable price of most commercial tree species in tropical forests. 原因之一是热带森林的大多数商业树种的价格平稳少变。
- commercial tree species 用材树种
- The name is also applied to several tree species of the genera Machaerium and Dalbergia in the pea family (see legume), the sources of commercial rosewood. 此一词又指豆科（pea family）Machaerium和黄檀属（Dalbergia）中数个乔木种（参阅legume），这些乔木种是具商业价值的紫檀木的来源。
- It's one of the tree species I have just learned to know. 我刚认识的树种。
- China has the world's most ancient tree species -- metasequoia. 中国有世界最古老的树种 --水杉。
- Dormancy Depth of Several North-east China Tree Species. 东北几个树种苗木的休眠深度
- Shanxi allspice tree species of medicinal and spice. 山西香果药用及香料树种。
- Lower slopes of the upper dry rainforest tree species. 为低山坡干性雨林中上层乔木树种。
- Modern commercial tree decorations appeared in the 1880’s at Woolworth's Department Store in the United States, and electric Christmas tree lights made their debut in 1882. 现在商店卖的圣诞树装饰品出现在19世纪80年代美国的伍尔沃斯百货商店，而圣诞树上装彩灯则始于1882年。
- It is 700 metres in length and introduces 20 tree species along the walk. 树径全长700米,介绍沿途20种树木植物。
- The Comparison of Frozen Resistance of Several Tree Species of Ilex L. 几种冬青属植物抗冻能力比较。
- Pioneer Tree Species for Forestation in Sandy Land--Hippophae rhamnoides L. 沙地造林的先锋树种-沙棘。
- For the majority of tree species this method appears to be very well suited. 对于大多数树种来说，这个方法看来都是适合的。
- Some other applications of ornamental tree species were also introduced. 文中还介绍了观赏树木其它方面的用途。
- The more steady ascendent tree species are Q. acutissima, L. formosana, etc. 稳定的优势树种为麻栎、枫香等。
- Tungoiltree is one of the endemic industrial oil tree species in China. 油桐是我国特有的工业用油料树种。
- Two tree species, gingkgo and metasequoia, were involved in experiment plots. 试验地包括银杏、水杉两个树种。
- Michelia chapensis is one of the endemic garden tree species in China. 乐昌含笑是中国特有的经济、园林树种之一;
- Main associated tree species are listed for Loblolly pine plantation in hillock areas of Southern Anhui Province. 为皖南丘岗地区火炬松人工林提出可供选择的主要伴生树种。
- Taiwan Jujube is a new tree species with high benefit and quick return of investment in heliogreenhouae orcharding. 摘要台湾青枣是温室果树栽培中效益高、投资回报快的新树种。
