For a undirected graph with tree characteristics, we can choose any node as the root.
对于一棵无向树，我们可以选择它的任意节点作为根。
I wish I could have some tree characteristics: no matter what the years bring to it all the same calm strong and selfless.
我希望我能够具备一些树的特质：无论岁月带给它什么，都一样的从容坚强无私。
This paper formalizes a product structure with related characteristics based on AND/OR tree, and shows that the employment of this formalization can achieve a more flexible BOM design.
形式化定义和描述了一种基于与或树的产品结构及其相关特性，基于该结构的BOM设计具有更好的产品配置柔性。
Treescraper refers to a tall building that resembles a tree or has tree-like characteristics.
“树形摩天大楼”是指像树一样或具有像树一样特征的高楼大厦。
Tree layer coverage is one of the primary numerical characteristics of forest community.
乔木层盖度是森林群落的主要数量特征之一。
On the plot there is a single tree (Guazuma ulmifolia) native to tropical America, with large dimensions and characteristics of great presence.
场地上有一棵榆叶梧桐树，原产于热带美洲，这棵树很大，突出的形态很有特点。
In view of 120-1 air brake fault characteristics, it used fault tree analytic method union logic code way to establish knowledge rule-set.
针对120-1空气制动机的故障特点，本文利用故障树分析法结合逻辑编码的方式建立知识规则集。
The succession of broad-leaved forest by decreasing tree number and increasing storage was in accordance with the characteristics of transfer probability.
阔叶林分通过株数递减和蓄积量递增而演变，这种演变过程和转移概率的特征是一致的。
The fault tree of rotor uncontained top event was established combining the structure characteristics of an aeroengine.
结合某型航空发动机的结构特点，创建了转子非包容顶层事件故障树。
This article presents a searching tree based algorithm of fault location, isolation and restoration of distribution system on the basis of distribution network characteristics.
针对配电网络结构特点，提出了一种基于树形搜索的配电网故障区域检测、隔离及恢复算法。
This paper introduces a comparative study of vibration characteristics of two types of rotor blades that are attached to the disk by fir-tree root and pin respectively.
本文介绍关于两种转子叶片振动特性的比较研究，这两种叶片分别是用销钉和纵树形或燕尾形榫头联接到旋转轮盘上的。
As for case searching algorithms, this paper presents an improved K-D tree algorithm based on the characteristics of XML documents and K-D tree algorithms and implements the algorithm.
根据XML文件的结构特点和K - D树算法提出了改进的K - D树算法作为系统的案例检索的算法并得到了实现。
Based on the characteristics of XML and several extensions on the XML tree, a novel querying approach is proposed for XML trees.
本文根据XML树的特点，对其进行了外延，设计了一种新的XML树的查询方法。
This paper proposed the method of designing linked storage structure of the binary tree in DNA computer, which utilized the biological characteristics of DNA molecules and ligases.
利用DNA分子和连接酶的生物特性，提出DNA计算机中二叉树的链式存储结构的设计方法，并给出二叉树链式存储结构的形式描述。
Throughout analysis, the attack tree model is a good choice to describe the information system security, finally, discusses the characteristics of this model.
通过分析发现，利用攻击树模型对信息系统安全进行度量，是比较好的选择。最后对本模型的特点进行了讨论。
The holistic distribution characteristics of 4 species groups: evergreen vs. deciduous and tree vs. shrub species along the altitudinal gradient were then analyzed.
然后分别统计常绿或落叶的乔木或灌木4组物种沿具体海拔高度的整体分布特征。
The paper analyses the characteristics and requirements of submarine CGF's modeling, and puts forward the concept of class decompose of action process and action tree.
首先分析了潜艇CGF建模的特点和要求，提出了行为过程类分和行为树的概念；
An example is if you are attempting to get the visual characteristics of a class that was constructed but not yet attached to a tree.
例如，如果您尝试取得某个类别的视觉化特性，但是该类别虽已建构完成却尚未附加至树状结构。
Based on the characteristics of the wireless sensor networks, a data aggregation scheme of minimum transmission cost spanning tree is designed.
针对传感器网络的特点，提出了一种最小传输成本生成树的数据汇聚机制。
The adaptation to light of 8 evergreen-broad trees and control tree (Cinnamomum camphora) were analyzed by comparing their leaf structural characteristics.
通过对8种常绿阔叶树种和对照种(香樟)的叶结构特征比较，分析它们对光照变化的适应特性。
The principle, characteristics and applications of these techniques in detection of fruit tree viruses are reviewed.
综述了这些技术的原理、特点及其在果树病毒检测中的应用情况。
The result shows: bioecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
研究表明：上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性；
This paper analyzed the spatial characteristics of tree-like river networks, and built vector model based on graph theory.
以树状河系为研究对象，分析其空间特征，建立基于图论的水系网矢量模型。
The tree structure of XML file and convenient characteristics of storage and operation were also being used to build the commodity module.
其中还利用XML文件本身的树型结构和其方便的存储和操作的特性，来构建商品分类的模块。
According to characteristics of human facial expression, three-layer classification is proposed based on classification tree.
根据人脸表情特征基于分类树思想将表情进行三层分类。
The input impedances of the arterial tree showed significant influence with different characteristics for different parameters.
不同参数对动脉树输入阻抗的影响有较大差异且呈现各自特征。
The results showed that light response curves of the four provenances exhibited different characteristics with different aged leaves and positions within the tree crowns.
结果表明：印楝种源间光响应曲线因叶龄和冠层部位的不同而呈现不同的特征格局；
One of the fundamental characteristics of tropical forests is the presence of very rare tree species.
一的基本特点，是热带森林的存在非常罕见的树种。
One of the fundamental characteristics of tropical forests is the presence of very rare tree species.
一的基本特点，是热带森林的存在非常罕见的树种。
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