China has the world's most ancient tree species -- metasequoia.

中国有世界最古老的树种 -- 水杉.

《现代汉英综合大词典》

Hundreds of tree species face extinction.

许许多多树种濒临灭绝。

辞典例句

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.

辞典例句

Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.

许多林木树种都有颈卵器, 受精以后便产生许多原胚.

辞典例句

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.

辞典例句

Some exotic tree species died and its crown was withered.

一些外来树种发生了树冠干枯和植株枯死.

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The Comparison of Resistance of Several Tree Species of Ilex L.

与几种冬青属植物抗冻能力比较>>相似的文献.

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Genetically modified ( GM ) tree. GMO derived from a tree species.

转基因 树种: 来源于树种的转基因生物体.

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The selection of tree species plays an important role in urban forest development.

树种选择的正确与否关系到城市森林建设的成败.

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Main tree species are pine, northern larch, oriental arborvitae, tree, Populus, etc. more than 40 kinds.

主要树种有油松 、 华北落叶松 、 侧柏 、 栎树 、 山杨等40余种.

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The effect of leaf fall decomposition for 8 tree species on soil microorganisms was studied.

研究了8个树种凋落叶分解对土壤微生物数量和组成的影响.

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The comprehensive appraisal to urban greening tree species is always a problem troubled botanical garden workers.

摘要城市绿化树种的综合评价,一直以来都是困扰园林工作者的难题.

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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.

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Is the create a shelter, fast growing forest tree species of choice for high - tech .

是国内营造防护林 、 速生丰产林首选的 高新技术 树种.

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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.

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