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- Valuable tree species 珍贵树种
- 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。
- 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;
- Two new publications, one by the Urban Land Institute (ULI) and the other by the National Association of Homebuilders (NAHB), make clear just how valuable trees and landscaping can be. 二本新的出版,一藉着都市土地设立 (ULI) ,而且家庭装修者(NAHB) 的国立协会的另一个,究竟清楚地表达有价值的树和景观美化能是如何。
- Elephants are fanatical about the grey bark of Marulas and - when they occur at high densities - can eliminate entire communities of these valuable trees through destructive ring-barking. 大象非常喜欢马鲁拉树的棕色树皮,当这种破坏性的剥皮行为频繁进行时,这种珍贵的树木就会被成片的毁掉。
- 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。
- Only a few forest tree species can develop viable seed from unpollinated ovules. 只有少数林木可以从未授粉的胚珠发育成有活力的种子。