![conifer](../cache/509274.jpg)
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A Study on Drought-resistant Mechanism of Four Conifer Species
4种针叶树抗旱性研究
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Summary of conifer introduction in Forest Botanical Garden of Heilongjiang Province
黑龙江省森林植物园针叶树引种的剖析
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The more recent conifer plantations cannot yet compare with the old woodlands .
年代较近的针叶树林场还比不上年代久远的林场。
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The xylem of ferns and conifers contains only tracheids .
蕨类植物和针叶树的木质部仅含有管胞。
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Study on Extraction of Computer Vision Feature of Conifer Seedling
针叶苗木计算机视觉特征提取方法
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Study on Impact of Conifer Problem on the Characteristic of Soil Erosion and Ecological Environment
林地针叶化对土壤侵蚀特征及生态环境影响研究
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This study has an important theory and application value for vegetative propagation of conifers .
该研究对针叶树的无性繁殖具有重要的理论和实际应用价值。
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System of Automatic Grading of Conifer Seedling by Computer Vision
针叶树种计算机视觉苗木自动分级系统的研究
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Dust absorption effect of urban conifers in Northeast China
东北地区城市针叶树冬季滞尘效应研究
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Classification proposed for conifers according to the anatomical features of the wood
从木材解剖特征初拟针叶树分类系统
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Study of the System of the Mineral Availability in China Mineral Element Distribution in Conifer Trees
我国矿产资源可供性系统研究针叶树木中矿质元素的分布
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Investigation of Soil Animal Community of Artificial Conifer Forest in Lushan
庐山人工针叶林土壤动物群落调查
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You may have seen conifers growing around where you live , too .
你在你生活的地方可能也看到过针叶树。
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Choice of isozyme markers for genetic studies in conifer tree species
针叶树种遗传研究中同功酶选择的探讨
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Interspecific variation in physiology of conifer and analysis by fuzzy cluster
模糊聚类在松属种间生理差异中的应用
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Research of Conifer Forest Productivity and Light Use Efficiency in Subalpine Region of Western Sichuan
川西亚高山针叶林生产力和光能利用效率研究现状
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The conifers in the severely burned area occupied less area with low growth rate .
重度火烧区的针叶林景观所占比重低且生长状况较差;
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Study on Responses and Mechanism of Precious Conifer Leaves Decomposition to Exogenous Substance
珍贵树种针叶分解对外源物质的响应及其机制的研究
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Conifers constitute about a third of the world 's forests .
针叶树林约占世界森林的三分之一。
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Application of PCR SSCP in Genetic Analysis of Conifers
PCR-SSCP用于针叶树种遗传分析的可行性
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Damage from salt spray affects many other conifers .
许多其他针叶树因药剂喷洒的的影响而受害。
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A study on wind prevention characteristics of conifer shelterbelts
针叶树林带防风特性的研究
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Introduction of New Varieties of Farmland Shelter Conifers in West Part of Heilongjiang Province
黑龙江省西部地区农防林针叶树新品种的引选
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Advances on the yield in seed orchard of Chinese conifers
我国针叶树种子园结实量的研究进展
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A Study on Water Parameter of Seedlings of Four Conifer Species in the South of China under Water Stress
水分胁迫下南方四种针叶树幼苗水分参数的测定
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Application of Steady State Mineral Nutrition Principle to Fertilization of Potted Conifer seedlings
稳态营养原则在杉木、湿地松苗木施肥中的应用
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Progress of Cone and Seed Insect Pest of China Conifers
中国针叶树种实害虫研究进展
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Effects of weather condition in spring on particulates density on conifers leaves in Beijing
北京市春季天气状况对针叶树叶面颗粒物附着密度的影响
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Effect of Simulated Acid Rain on Leaf Gas Exchange and Chlorophyll Fluorescence of Two Conifer Trees
模拟酸雨对两种针叶植物气体交换和叶绿素荧光特性的影响
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Height Growth Process of Five Conifers
五种针叶树个体高生长过程研究