利用最大似然估计原理，给出了构建系统发生树的模型和算法。
A model and an algorithm were provided for constructing phylogenetic tree based on the principle of maximum likelihood estimate.
从而提出了基于虚拟二叉键树的分布式索引模型及其构建算法。
Then a model based on virtual binary key tree is put forward and the construction algorithm is given.
该算法充分利用拉格朗日松弛方法的特点，通过构建封闭图，对封闭图进行拉格朗日松弛求得满足条件的多播树。
The algorithm makes use of the characteristic of Lagrange relaxation method, and finds multicast tree satisfying constraint by constructing closure graph and making relaxation to this graph.
本文作者分析讨论了组播路由协议的生成树构建方法，在此基础上进一步对IP组播技术中核心的组播路由协议和算法进行了分析。
This paper intends to discuss the way to construct the spanning tree, on which the algorithm for routing protocol, which is the kernel of the IP multicasting, shall be analyzed.
文中着重研究构建最小延迟应用层组播树的算法，提出一种基于策略函数构造应用层最小直径组播树的启发式算法BCT - H。
Focuses on the algorithms of the minimum-delay spanning tree for the application-layer multicast, and proposes an improved BCT-H (balance compact tree-heuristic) algorithms based on strategy function.
根据结点式拆卸树，构建了拆卸成本的递推算法；
According to activity-on-node disassembly tree, the recursive procedure of disassembly cost is set up.
提出了一种基于粗糙集中知识粗糙度的构建多变量决策树的算法。
We propose a new approach to multivariate decision tree construction based on knowledge roughness in rough set instead of information entropy as usual.
基于博弈树的构建 ，对传统的博弈算法进行了分析研究 ，指出了其存在的不足。
This paper gives profound research is game-tree search algorithm and game-tree optimization technique.
本文采用C4.5决策树算法构建空气质量评价系统，挖掘空气污染物和空气等级关系的历史数据，建立空气污染物-空气等级智能评价模型。
Intelligent evaluation model for air quality based on C4.5 decision tree algorithm is established through the historical data of air pollutants and air quality classes in this article.
针对移动平台上大量的简单3d物体实时碰撞检测效率不高的问题，文中提出了以构建碰撞树为基础的碰撞遍历算法。
Aimed at the low efficiency of real-time collision detection problem of simple 3d object on mobile platforms, this paper proposes a recursion detection algorithm using collision tree.
针对移动平台上大量的简单3d物体实时碰撞检测效率不高的问题，文中提出了以构建碰撞树为基础的碰撞遍历算法。
Aimed at the low efficiency of real-time collision detection problem of simple 3d object on mobile platforms, this paper proposes a recursion detection algorithm using collision tree.
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