查询词典 hierarchical

However, the empirical study shows that if hierarchical graph is overcomplex as well as too much crossing edges, then it often reduce readability and practicability of hierarchy.

然而，这类实证幽讦究显示，所呈现之阶层结构图若过铃复杂，特别是因为交错边过多，往往峰低阶层结构图之可读性与实用性。

Based on the GIS theory, using the the overlayer algorithm of hierarchical maps in GIS method, through the corresponding constraint condition, Fuzzy Similarity Nearness degree matter-element model is applied to the flood disaster moves the plan to carry on the synthesis judgment the method.

本文试图利用模糊综合评判方法，结合GIS在洪灾避迁决策的应用，利用GIS图层叠加与空间分析的方法，通过相应的约束条件，筛选出满足约束条件的约束集，利用模糊相似贴近度物元模型进行方案的评价决策。

According to the hierarchical cluster analysis based on the Euclidean distance, the nine natural Cyclocarya paliurus populations could be classified into three groups.

利用群体间欧氏距离进行系统聚类分析，青钱柳群体可以划分为三类。

With the seeds from nine natural Cyclocarya paliurus populations as test materials, their phenotypic traits, including 1000-seed weight, seed size, seed diameter, seed thickness, and seed diameter/thickness ratio, were investigated, and the phenotypic diversity among and within the populations were studied by the methods of ANOVA analysis, hierarchical cluster analysis, and correlation analysis.

以青钱柳分布区内的9个天然群体种子为试材，对种子千粒重、体积、直径、厚度和径厚比5个表型性状进行了系统的比较分析，采用方差分析、相关分析及聚类分析等方法对群体间和群体内的表型多样性进行探讨。

This library is used as a core project using hierarchical and parametrical modeling methods.

对于某些非建筑类的园林配景构件，采用了Fractal方法进行造型。

In this paper, based on the ideas of partitional and hierarchical clustering, an algorithm is proposed to determine the best number of clusters for categorical data, and the corresponding time complexity is analyzed as well.

结合划分和层次聚类的思想，提出一种符号数据聚类个数的确定算法。

Besides, the advantages of both hierarchical clustering algorithm and partitional clustering algorithm are also incorporated into the ICA clustering algorithm.

此外，双方优势的阶层式聚类法和分割式聚类法也纳入区间式竞争分群演算法。

So far, there are 5 kinds of clustering algorithm includes partitional algorithm, hierarchical algorithm, density-based algorithm, grid-based algorithm and model-based algorithm.

目前，聚类算法大体上分为划分的方法、层次的方法、基于密度的方法、基于网格的方法和基于模型的方法。

Aims In natural environments, resources of critical importance to plant growth are patchily distributed, even at a small spatial scale. The aims of this study are to address: 1 Centella asiatica exploitation of heterogeneous microsites in different habitats, 2 hierarchical effects of habitats and microsites with different herbaceous coverage on growth traits of C.

为研究克隆植物在不同生境中对小生境的利用能力和对不同尺度异质性生境的等级可塑性及其格局差异，比较了林缘和荒草坡不同草本层盖度小生境中积雪草分株种群、克隆片段和叶水平的形态和生理特征。

Howard Pattee , an early cybernetician, defined hierarchical structure as a spectrum of connectance.

一个早期的控制论专家霍华德派提定义层次结构为一个连接性频谱。

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。

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