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coniferous tree

coniferous tree 双语例句

1. In this paper, it is comparatively studied that the coniferous forests in Taibai Mountains are numerically classed by fuzzy clustering analysis and maximal tree method of fuzzy graph theory.
    应用模糊聚类分析法和模糊图论分析对太白山针叶林进行了数量分类比较研究。

2. Major tree species found here include conifers, such as Korean pine, larch and Olga Bay larch, and coniferous-broadleaf trees such as white birch, oak, willow, elm and Northeast China ash.
    主要树种这里找到包括针叶树,如红松,落叶松和奥尔加湾落叶松,和针叶树,阔叶树,如白桦,柞木,柳树,榆树和东北灰烬。

3. At the same site quality class the DBH growth of Pinus koraiensis, Picea rubens and Abies alba was better than the average value of the same coniferous tree species in northeastern primary forests obviously. The difference became more clearly after the middle period of tree growth.
    4过伐林红松、云杉材积和胸径总生长量明显好于相同地位级的东北地区原始林平均水平,这种差异在林木生长中期以后表现更为明显。

4. In this paper, the short-term effects of two levels of air temperature and light (full light and ca. 10% of full light regimes) on the early growthand physiology of Picea asperata, Abies faxoniana and Betula albo-sinensis seedlingswas determined using open-top chambers. The aim of the present study wasto understand the differences between tree species in their responses to experimentalwarming from the perspective of regeneration. Our results could provide insights intothe effects of climate warming on community composition and regeneration behavior for the subalpine coniferous forest ecosystem processes, and provide scientificdirection for the production and management under future climate change.
    本文以青藏高原东部亚高山针叶林几种主要森林树种为研究对象,采用开顶式增温法模拟气候变暖来研究增温对生长在两种不同光环境下(全光条件和林下低光环境)的几种幼苗早期生长和生理的影响,旨在从更新角度探讨亚高山针叶林生态系统不同树种对气候变暖在形态或生理上的响应差异,其研究结果可在一定程度上为预测气候变暖对亚高山针叶林物种组成和演替动态提供科学依据,同时也可为未来林业生产管理者提供科学指导。

5. 公共查询·英语单词

5. Result The aero-anion concn. had a great difference among each tree species, the broadleaved tree species were higher than that of coniferous species, and the aero-anion concn. of bitter bamboo was the highest. The aero-anion concn. of 4 tree species showed peak values in July and lower values in May and Oct.. The peak value appeared at 8:00 -10:00 a. m. and valley value occurred at
    结果]不同林种的空气负离子水平差异较大,阔叶树种高于针叶树种,苦竹的空气负离子水平最高。4种林种的空气负离子浓度在7月份出现高值,5和10月份的数值较低;8:00~10:00出现峰值,14:00~16:00出现谷值。

6. Made of the easy-to-cut wood of a coniferous tree, as e. g. pine.
    由针叶树的容易切割的木材制成的,例如松树。

7. coniferous tree的近义词

7. Have to Masson pine, fir, cedar mainly subtropical coniferous forests, and chestnut in silk, camphora, nanmu, eucalyptus, tangelo mainly evergreen broad-leaved forest, there are birch, poplar, Quercus acutissima, serrata tree mainly deciduous broad-leaved forest, there are a camellia, rhododendron, Eurya, mainly cubeba mountain shrub, and to Imperata, mainly of Pakistani mountain fescue grass.
    有以马尾松、杉木、柏木为主的亚热带针叶林,有以丝栗、香樟、楠木、桉树、桔柚为主的常绿阔叶林,有以桦木、杨树、麻栎、枹树为主的落叶阔叶林,有以山茶、杜鹃花、柃木、山苍子为主的山地灌丛,有以白茅、巴茅为主的山地草丛。

8. According to the life form of species and their roles in communities, 6 species groups are used to do ordination analysis and environmental interpretation. The result suggests that:①Despite the strong man-made disturbance at lower altitude sites, the number and character of evergreen species show an change along the altitude gradient.②The rare and endangered species concentrated at two sectors along altitude gradient, corresponding to the upper and lower borders of the mountain mixed forest belt of evergreen and deciduous broad-leaved species.③The pioneer tree species concentrated on the middle and upper positions at lower elevation.④The deciduous accompany tree species show a great diversity on middle and lower position at middle and higher elevation.⑤Coniferous species differentiate along elevation and local topographical gradient.⑥Deciduous species in Quercus, Castanea, Fagus, Carpinus genus as well as coniferous species play primary community-constructing roles at different topographical position at Dalaoling region.
    根据物种生活型及其在植物群落中的地位,分6个种组进行排序和环境解释,表明:①尽管低海拔地段受到强烈人为干扰,常绿种类仍显示了数量和性质沿海拔梯度的变化;②珍稀物种在海拔梯度上形成两个相对集中的区段,大致对应于山地常绿落叶阔叶混交林带的上下边缘;③先锋树种在中低海拔的中上坡位富集;④在中、高海拔的中低坡位,落叶的乔木伴生种显示了极大的多样性;⑤为数不多的针叶树种在海拔和局部地形梯度上也有明确分异;⑥它们和落叶的栎、栗、水青冈、鹅耳枥属物种在大老岭地区不同地形部位的植被中起着主要的建群作用。

9. With 2 coniferous tree species and 15 broad leaved tree species as testing material, an air seasoning test of lumber was carried out at Haikou region.
    以海南省的2种针叶树材及15种阔叶树材为材料,进行了海口地区板材气干试验。

10. Douglas fir of coniferous tree and beech of broadleaf tree is selected as the experiment materials.
    选择针叶材花旗松和阔叶材山毛榉作为实验材料;

11. Current, western be current raises Zhi yunsha and other and low coniferous tree on the balcony, they can let indoor be full of the tree that makes person mind Qing Dynasty enrages bright sweet.
      目前,西方盛行在阳台上养植云杉和其他低矮的针叶树,它们能让室内布满使人神清气爽的树香。

12. coniferous tree

12. Nesting in coniferous forest, often greenwood, miscellaneous wood forest types of forest tree thorns or short.
      营巢在针叶林、常绿林、杂木林等各种类型森林的荆棘或矮树上。

13.

13. The Choice of Coniferous and Broadleaf Tree for Agro-forestry Ecological System on Taihang Mountain
      太行山农林复合生态系统中针阔叶树种的选择

14. The evaluation index system and their weight of ecological function for coniferous and broadleaf tree on Taihang Mountain are put forward by using SSMII method, which includes5first-grade indexes and9second-grade indexes.
      应用软系统归纳集成法,确定了太行山主要针阔叶树种生态功能的评价指标体系与权重,其中一级评价指标5个,二级评价指标9个。

15. This coniferous tree has a conical silhouette and thick bark.
      这种针叶树为圆锥形,厚厚的树皮。

16. 公共查询·英语单词大全

16. Large coniferous evergreen tree of North Africa and Spain having flattened branches and scalelike leaves yielding a hard fragrant wood; bark yields a resin used in varnishes.
      具有扁平垂枝和鳞叶的大型香木针叶杉,分布于北非和西班牙;树皮分泌的树脂用于清漆中。

17. coniferous tree什么意思

17. This paper provides a comparison among threatened categories of 141 Chinese coniferous taxa listed by Temperate Tree (WCMC), World List of Threatened Conifer Taxa (CSG) and China Plant Red Data Book (Vol.1).
      本文根据世界保护监测中心(WCMC)和国际松杉类植物专家(CSG)编制的濒危植物名录,以及中国植物红皮书(第1卷)列出中国受威胁松杉类植物共141种及变种。

18. Simulation Model of Carbon Storage Dynamics in Temperate Broadleaved-Coniferous Mixed Forest Ecosystem: ⅰ. Dynamics of Carbon Storage in Tree Layer
      温带针阔混交林林分碳贮量动态的模拟模型Ⅰ.乔木层的碳贮量动态

19. coniferous tree

19. Deciduous broadleaf forest and artificial coniferous forest occupy most of the area, and will evolute from the communities of tree species with no shade tolerance to the communities of tree species with dominant shade tolerance.
      落叶阔叶林和人工针叶林已成为该地带的主要植被类型,它将由强阳性树种占优势的群落向耐阴性树种占优热的群落演替,演替中土壤和人类有着积极的作用。

20. Effects of Water and Heat Stress on the Needle Sugar Content of Four Coniferous Tree Seedlings
      水分和热胁迫对苗木针叶可溶性糖含量的影响

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