- 更多网络例句与桦木科相关的网络例句 [注：此内容来源于网络，仅供参考]
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An inflorescence consisting of a dense spike or raceme of apetalous, unisexual flowers, as in Salicaceae and Betulaceae; an ament.
柔荑花序 Catkin 由无被单性花组成的密集的穗状或总状花序，如杨柳科和桦木科。
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Alder trees belong to the birch family.
赤杨属于桦木科。n。藻类，海藻
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The generic distributions in both modern and fossil times were outlined, and their distribution center, place and time of origin and the way of dispersal were discussed. An attempt was made to discuss early differentiation, geographical radiation and morphological evolution of the family on the background of paleogeography and paleoclimatology, tracing back as far as the Late Cretaceous and Early Tertiary.
作者试图回到遥远的晚白垩纪和旱第三纪，从描绘桦木科植物起源和早期分化的古地理和古气候背景入手，分析了在这种背景下桦木科植物所发生的空间辐射以及植物体本身所产生的形态进化，以求得对桦木科植物起源、散布和分化作出比较合理的解释。
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In the strict consensus tree of the 484 trees, the monophyly of Betulaceae and Fagaceae is strongly supported.
胡桃科和桦木科的单系性都得到了分辨，虽然BS支持率不高。
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Hunan Province commodities issued by Quality Supervision and Inspection and the inspection report, concluded that:"sample site for Betulaceae birch trees."
3 28，湖南省质量监督检验检查报告，发出商品的结论是，桦木科桦木树：&示例站点。&
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The host range of ectomycorrhizae is primarily restricted to certain tree species, including members of the Pinaceae, Betulaceae, and Myrataceae.
外生菌根的寄主主要是几种树种包括松科、桦木科和桃金娘科。
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All of the most parsimonious trees obtained based on the analyses of these combined data sets recognized three major clades in Fagales:(1)Nothofagus,(2) Fagaceae, and (3) core "higher" hamamelids represented by Casuarinaceae, Ticodendraceae, Betulaceae, Myricaceae, Juglandaceae, and Rhoipteleaceae.
主要结论是壳斗目的八个科分为三支，南青冈科是最基部的分支，壳斗科做为核心高等金缕梅类的姐妹群第二个分出，核心高等金缕梅类聚在一起，并进一步分为两个亚支：第一亚支包括桦木科、核果桦科和木麻黄科；另一亚支则由胡桃科、马尾树科和杨梅科组成，杨梅科是胡桃科和马尾树科的姐妹群。
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The species diversity of Dipentodon sinicus communities in Yushe National Forest Park of Guizhou province was studied based on the quadrate method. The results showed that Rosaceae, Ericaceae, Betulaceae, Fagaceae, Theaceae, Lauraceae, Caprifoliaceae, Cornaceae were the dominant families in D. sinicus communities of Yushe National Forest Park. In the 10 sample plots, there were 8 which were absolutely dominated with D. sinicus population, the importance value came up to 135.69 on average, and it was far higher than the others. For D. sinicus communities, the abundance index (2.847), Simpson index (0.601), Shannon-Wiener index (1.523), probability of inter-specific encounter (0.601) and species evenness (0.569) of the tree layer were lower than those of the shrub layer (5.580, 0.830, 2.377, 0.829, 0.672, respectively) on the whole. It markedly showed a species diversity characteristic of the mixed broadleaved evergreen and deciduous forest in middle subtropics. In the 10 sample plots, the species diversity level of Q1 was the highest, followed by Q3, Q5 and Q6 was the lowest.
摘要运用样方法对贵州省玉舍国家级森林公园稀有保护植物十齿花群落的物种多样性进行了研究，结果表明：玉舍国家级森林公园十齿花群落以蔷薇科、杜鹃花科、壳斗科、桦木科、山茶科、樟科、忍冬科、山茱萸科等为优势科；10个样地中有8个样地以十齿花种群占绝对优势，其平均重要值高达135.69，远远高于其它种群；十齿花群落乔木层物种丰富度为2.847、Simpson指数为0.601、Shannon-Wiener指数为1.523、种间相遇机率为0.601、均匀度指数为0.569，总体上均小于灌木层(分别为：5.580、0.830、2.377、0.829、0.672)，表现为较明显的亚热带常绿落叶阔叶混交林的物种多样性特征。10个样地中，Q1的物种多样性程度最高，Q3次之，Q5和Q6最小，多样性程度最低，10个样地的物种多样性排序为Q1＞Q3＞Q9＞Q7＞Q2＞Q4＞Q10＞Q8＞Q5＞Q6。
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The maximum parsimony trees of matK indicated that Myricaceae are sister to (Betulaceae-Ticodendraceae)-Casuarinaceae clade; however, trnL-F trees showed that Myricaceae are sister to Juglandaceae-Rhoiptelea clade.
最简约树的严格一致树显示杨梅科和木麻黄科聚在一起得到的BS支持不强，另外桦木科和核果桦科，壳斗科和马尾树科分别聚在一起，但得到的支持都未超过50%。
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The latter clade could be further divided into two strongly supported subclades:(Juglandaceae-Rhoipteleaceae)-Myricaceae, and (Betulaceae-Ticodendraceae)-Casuarinaceae.4 Six sequences combined analysesPhylogenetic reconstructions were performed under a number of scenarios for each of five combined data sets to elucidate the stability of the phylogeny trees.
桦木科和木麻黄科聚在一起，胡桃科和马尾树科为姐妹群再与杨梅科构成一支，这两个分支都得到很强的BS支持。核基因分析支持六个序列联合分析对核心高等金缕梅类各科间关系的分辨。
- 更多网络解释与桦木科相关的网络解释 [注：此内容来源于网络，仅供参考]
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birch family：桦木科
桦木属(桦木科) Betula;birch | 桦木科 Betulaceae; birch family; hazelnut family; Corylaceae | 印度大麻 bhang; Cannabis indica
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Betulaceae; birch family; hazelnut family; Corylaceae：桦木科
桦木属(桦木科) Betula;birch | 桦木科 Betulaceae; birch family; hazelnut family; Corylaceae | 印度大麻 bhang; Cannabis indica
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Betula halophila：桦木科 盐桦
萝摩科 驼峰藤 Merrillanthus hainaeensis 2 | 桦木科 盐桦 Betula halophila 2 | 桦木科 金平桦 Betula jinpingensis 2
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Betula jinpingensis：桦木科 金平桦
桦木科 盐桦 Betula halophila 2 | 桦木科 金平桦 Betula jinpingensis 2 | 桦木科 普陀鹅耳枥 Car pinus tientaiensis 1
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Betulaceae：桦木科
该...产品类别:实木类 产品名称:印茄木(Intsiaspp) 产品规格:910*125*18 木材名称:菠萝格 产地:印尼 产品信息:气干密度0...木材名称:龙脑香(Dipterocqrpusspp) 产地:印尼 国外名称:Balsamo 俗称:克隆 材性及用途:气干密度0.70-0...赤杨(也称桤木,水冬瓜)(alderAlnus),桦木科(Betulaceae)桤 木属(Alnus),
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Betulaceae：二十七、桦木科
二十六、杨柳科Salicaceae | 二十七、桦木科. Betulaceae | 二十八、榛科Corylaceae
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Betulaceae：三十、桦木科
二九、胡桃科Juglandaceae | 三十、桦木科Betulaceae | 三一、壳斗科Fagaceae
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D Betulaceae：桦木科
小檗科 D Berberidaceae 12/673 | 桦木科 D Betulaceae 4/141 | 紫葳科 D Bignoniaceae 110/788
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hua mu ke Betulaceae：桦木科
花蔺科 hua lin ke Butomaceae 8 | 桦木科 hua mu ke Betulaceae 21 | 槐叶苹科 huai ye ping ke Salviniacae 6(2)
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Ostrya：铁木属;苗榆属;穗子榆属(桦木科)
叶干木属(大戟科) Ostodes paniculata Bl. | 铁木属;苗榆属;穗子榆属(桦木科) Ostrya | 铁木;穗子榆(河南);苗榆(河南);转角木榆 Ostrya japonica Sarg.; O. liana Hu; Japanese hop-hornbeam