树种
- 与 树种 相关的网络例句 [注：此内容来源于网络，仅供参考]
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This paper focuses on the ecological characteristics of Tilia amurensis in the Changbai Mountain forest region.
该文对长白山林区珍贵用材树种紫椴的生态学特征进行了研究。
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E. , Pinus koraiensis, Quercus mongolica and Tilia will appear as new species. Fire disturbance has effects on forest biomass and its species composition and structure.
koraiensis、蒙古栎、椴树等树种；火干扰影响森林生物量及森林的物种组成和结构。
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Therefore, Eucalyp tol oil is a fine substitute of fuel oil used for internal combustion engine.
摘 要：桉树是我国南方地区常见的常绿树种，我们经过较长时间的调研和资料整理，认为桉树类的枝叶油与柴油的理化性质十分接近，是非常好的内燃机燃料油的代用品。
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Small deciduous tree of the Transvaal having spikes of yellow flowers.
德兰士瓦的一种小型每年落叶树种，穗状黄花。
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Trema angustifolia Blume is a superior planting species in dry and hot river valley areas.
麻柳树是干热河谷地区的优良造林树种。
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Pinus bunging Zucc.et Endl,chinese spciality and one of rare tree species,is exclusive trifoliate pine in East Asia.
白皮松(Pinus bunging Zucc.et Endl)为东亚唯一的三叶松，特产我国，是珍稀的树种之一。
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Deciduous Chinese shrub or small tree with often trilobed leaves grown for its pink-white flowers.
中国种每年落叶灌木或小型树种，三裂片树叶，粉红到白色花冠。
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The machine can also shell coffee, dry truff, chestnuts and Nimenuts.
这个机器也可以加工咖啡豆、麻疯树种、栗子和印度楝种子
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Tsuga longibracteata is the rare specie of China , which is precious and endangering because of destroy and difficult regeneration.
中文摘要：长苞铁杉是我国特有珍贵树种，由于人为的破坏和植物本身更新的困难，资源日渐减少，正处在濒危状态，现已被列为国家二级保护植物。
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It is positive to improving and increasing beautify Harbin landscape. It supply directive advices to manufacture of the Ulmus pwnila to avoid the blindness of manufacture and application.
正确对待和重视乡土树种在园林中的作用，对于提高哈尔滨市的绿化质量和绿化效益有着非常积极的意义；同时也可为榆树的生产提出指导性意见，避免生产和应用的盲目性。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。