树种

Eucommia's pericarp, bark and leaf contain gutta-percha, which are the precious natural rubber resources in China.

杜仲是中国特有的名贵经济树种，在我国亚热带至暖温带的26个省均有栽培。

As the major tree species for forestration in Hilly region on the Loess Plateau, Robinia pseudoacacia and Hippophae rhamnoides can only grow normally in habitant with better soil water condition due to the limited drought resistance of H.

作为黄土高原的主要造林树种，沙棘的抗旱性最差，而刺槐的耐旱性最差，它们都要在土壤水分条件较好的生境才能正常生长。

Hazelnut is a use of broad, relatively high economic value species.

榛子是一种用途广，经济价值较高的树种。

Any of several small to medium-sized trees of Florida and West Indies with thin scaly bark and heavy dark heartwood.

任何一种小到中等尺寸的树种，生长在佛罗里达和西印度，有薄的鳞状树皮和重的黑色的心材。

Group of professionals engaged in international timber trade, as well as production and processing, operation of timber including: North America, spruce, hemlock, broker wood, Douglas fir, the Russian red pine, larch, oak, Manchurian ash, New Zealand and Southeast Asia and other related pine species, supply and marketing integration is now forming the middle group.

集团专业从事国际木材贸易以及生产加工，经营木材包括：北美云杉、铁杉、侩木、花旗松、俄罗斯红松、落叶松、柞木、水曲柳，新西兰松以及东南亚等相关树种，现已形成产供销一体化集团企业。

The evergreen plants consists of Chinese pine, hemlock, fir and dragon spruce; the red-leaf plants are maple, little tiller, smoke tree and others; the yellow-leaf plants are birchm, golden-rain tree, elm, larch, poplar mix together in harmony, offering a rainbow of natural pictures that easily please to our eyes, It is commonly believe that the colerful plant scenery is one of the main features manifested in Jiuzhaigou.

这些长青植物由中国松树，毒芹属植物，冷杉和龙云杉组成。红叶植物是枫树，烟树以及其他树种。黄叶植物是白桦，金雨树，榆树，落叶松属植物，融合在一起构成了一幅养眼的天然彩虹图画。普遍认为，植被景色是九寨沟的主要特色之一。

The new study found increasing death rates of several kinds of forests, like pine, fir and hemlock.

最新研究发现一些树种死亡率增加，如松树、枞树和铁山。

Populus euphratica heteromorphic leaves can adapt different environment in different developmental stages through the changes of leaf shape,anatomical structure,physiological metabolism and protein expression,which can be presumed as the major reason for Populus euphratica survival in the arid and semi-arid desert region.

胡杨的异形叶能通过形态、结构、生理代谢及蛋白质表达水平上的变化来更好的适应不同发育时期生存环境的改变，推测这就是其优于其他树种而能在荒漠地带生存至今，成为干旱荒漠地区唯一天然存在的高大乔木的原因。

Hevea brasiliensis is one of the important economical trees.

巴西橡胶树是重要的经济树种，其独特的乳管结构和生产期长的特性，有可能发展成为一个高效、低成本的"植物生物反应器"，潜藏着巨大的商业开发价值。

The coin maple has the very strong anti-plant diseases and insect pests ability.lts disease harms the brown spot disease, white powder disease, the insect pest mainly has a cow, is the maple leaf tree of the our country northern to grow it , is a good park green turn colourful turn the plant.lt is a good source plant of honey agaln.

元宝枫具有极强的抗病虫害能力，它的病害有褐斑病、白粉病，虫害主要有天牛，是我国北方著名的红叶树种之一，是优良的园林绿化彩化植物，又是良好的蜜源植物，有可观的发展前途。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。