条件树

  • 网络Prerequisite tree;conditional FP-tree
条件树条件树
  1. 该算法减少了FP树所占用的内存,节省了条件模式树生成所耗的时间。

    This algorithm saves large memory space occupied by FP tree and the cost of constructing many conditional FP trees .

  2. 外生菌根菌白毒伞(AmanitaVerna)菌丝体纯培养条件灰树花菌丝体多糖的分离纯化和理化性质研究

    Study on Pure Culture of Ectomycorrhizal Fungi Amanita Verna Separation , Purification and Characterization of Polysaccharide from Grifola frondosa

  3. 在FP-树中挖掘频繁模式而不生成条件FP-树

    Mining Frequent Patterns in an FP - tree Without Conditional FP - tree Generation

  4. 结果表明,本实验条件下树鼩可以正常生长发育和繁殖后代。

    Results indicate that the Chinese Tree Shrew can grow and breed normally in our experimental conditions .

  5. ·提出了条件查询树的构造方案,并给出条件查询树构造的具体步骤与规则。

    · Afford a structure scheme of the condition tree , and give the concrete steps and rules for the structure of the condition tree .

  6. 三维GIS中基于空间拓扑约束条件的R树研究

    R-tree Structure Appended with Spatial Topology Restrictions in 3D GIS

  7. 不同氮源条件下橡胶树小苗NH4~+和NO3~-的吸收特征

    Uptake of Ammonium and Nitrate by Rubber Tree Seedling in Different Nitrogen Forms

  8. 自然条件下珊瑚树(Viburnumodoratissimum)叶片光合作用的光抑制

    Photoinhibition of Photosynthesis in Sweet Viburnum Leaves Under Natural Conditions

  9. DataGraph将包含满足查询条件的DataObjects树或图形。

    The DataGraph would contain a tree or graph of DataObjects that satisfied the query .

  10. 本文利用分形树结构来描述Purkinje纤维传导系统,提出了满足边界条件的分形树生长算法。

    In this paper Purkinje conductive system is described by using the structure of fractal tree s. A fractal tree growing algorithm , that satisfies to boundary condition is presented .

  11. 应用统计学方法,研究了大田条件下橡胶树101438和GT1两个无性系单个叶子的光合量与气象因素的关系。

    A research was done by statistical methods on the relationship between the photosynthetic output of a single leaf of two Hevea clones ( 10-14-38 and GTl ) and meteorological factors under field conditions .

  12. 畦灌条件下樱桃树根系的空间分布特征

    Spatial distribution characteristics of cherry tree roots under border irrigation condition

  13. 气象条件对柑桔树生长和结果的影响

    Effects of meteorological condition on growth and fruit bearing of citrus tree

  14. 灌水、地下水位埋深;充分微喷灌溉条件下苹果树耗水量的研究

    Water Use of Micro-Sprinkler Irrigated Apple Trees Under Condition of Full Irrigation

  15. 不同营养基质与条件对灰树花生长的影响

    Effects of media and conditions on growth of Grifola frondosa

  16. 具有约束条件的谱系树拟合

    The Fitting to a Family Tree with Restricted Conditions

  17. 遮阴条件下栲树幼苗枝、叶构件统计学研究

    Study on Leaf and Branch Demography in Castanopsis fargesii Seedlings under Shading Condition

  18. 水分胁迫条件下橡胶树种子的萌发特性及其萌发模型的优选

    Germination of Hevea Seeds under Water Stress and Selection of an Optimum Germination Method

  19. 这些充要条件为判定树的优美性及求优美标号提供了算法。

    These conditions provide the algorithm for obtaining pleasant marks as well as judging pleasant trees .

  20. 部分根域干燥栽培条件下葡萄树体生长及根域土壤水分调控研究

    Effect of Partial Root-Zone Drying on the Growth of Grapevine and the Regulation of Water Statue

  21. 沙地云杉为耐阴性树种,在幼年期一定程度的遮阴条件可以促进树高生长。

    Spruce on sandy land is a shade-tolerant species , the height growth of its seedlings being accelerated under shady condition .

  22. 文章给出了有最小最大匹配的树的一个充分条件,对树零化度的刻画有重要作用。

    We give a sufficient condition of the least maximum matching , it plays important role in the nullity of tree .

  23. 采用摇瓶发酵法对灰树花液态发酵的碳氮营养需求及发酵条件对灰树花茵丝体的生物量与多糖产量规律进行了研究。

    The appropriate liquid fermentation medium and submerged fermentation condition for Grifola frondosa , and the regulation of the production of biomass and crude polysaccharides by Grifola frondosa were studied .

  24. 再次,研究影响植物生长的外部环境因素,建立基于光照条件下樱桃树的生长模型,利用开发工具编码实现。

    Thirdly , based on the established growth model of a cherry tree under lighting conditions , we investigated the impact of the external environment on plant growth by encoding with program development tools .

  25. 本文是用实测油松人工林平均木球果生物量的方法,来研究不同立地条件、测树学因子与油松人工林球果生物量的关系。

    The relation of the cones ' biomass of Pinus tabulaeformis to site conditions and factors of mensuration was studied by measuring the cones ' biomass of average tree of Pinus tabulaeformis plantation under the different site conditions .

  26. 该算法充分利用禁忌搜索方法中灵活的记忆功能和禁忌规则等特点,以最小时延树为初始解,并使用换边操作构造邻域集,最终求得满足条件的组播树。

    This algorithm makes use of the characteristics of flexible memory function and tabu rule in TS algorithm , starts with an initial least delay tree , generates neighborhood structure based on " exchange edge " operations , and finds multicast tree satisfying constraint .

  27. 该算法基于MPH算法的基本思想进行扩展,在满足时延限制条件和多播树代价增加最小的基础上,逐步将目的节点添加到多播树上。

    This algorithm was based on MPH algorithm . It added the destination node to the tree step by step based on satisfying the delay constraint and increasing the multicast tree cost least .

  28. 在分析了Shapiro等人提出的零树小波压缩算法的基础上,将零树和量化技术相结合,给出了给定压缩比条件下的零树量化的实现方案,并用Lena图像进行了具体的实现。

    On the basis of analyzing zero-tree wavelet compression proposed by Shapiro et al , zero-tree technique is combined with quantitative technique , and implementation project is given for zero-tree quantization under conditions of com-pressive ratio , it is implemented with Lena Image .

  29. 主要区别是JJTree添加了一个新的语法node-constructor构造,该构造可以让您指定在解析期间在哪里以及在什么条件下生成解析树节点。

    The primary difference is that JJTree adds a new syntactic node-constructor construct which lets you specify where and under what conditions parse-tree nodes are to be generated during the parse .

  30. 基于新的条件熵的决策树规则提取方法

    Rules extraction method of decision tree based on new conditional entropy