查询词典 unrooted

It is especially convenient for rooting the unrooted trees obtained from parsimony, distance or maximum likelihood tree-building methods.

其特别适用于从简约法、距离法和最大似然法得到的无根树生成树根的情况。

Especially,the subbranch of enterobacteriaceace made again four small branches as genus taxon.This tree also shows that bacilliform bacterium is distinct from each other in the NJ and MP trees.After all species on the tree are merged,the topological configuration of the unrooted tree of 16S gene is closed to that of the host range unrooted tree.However,the position of bacillus is greatly changed on both the unrooted trees.

将16S DNA的NJ树隐去所有的种，以属为单位所得到的以分枝形式的无根树在拓扑结构上与菌群分布含量所构建的无根树相近，但芽孢杆菌在两种无根树的位置中有较大的差异。

It also is possible to draw a tree without a root, which is called an unrooted tree.

它还可以得出一个树没有根，即所谓的unrootedtree。

He was glad to find the garden unrooted out.

他很高兴发现园中的花木未被连根拔起。

Modern humankinds are faced with the difficulty of unrooted existence state.

生存的无根基状态成为现代人在发展过程中面临着的突出问题。

Unrooted file target names are also normally bound as is, and thus relative to the current directory, but the settings of $ and $ alter this

非根化的文件目标名通常也同样进行绑定，且相对於当前的目录，不过$和$的设置改变了这一点

There are two main phylogeny analysis methods: distance-based and character-based; and there are two types of evolutionary trees: rooted and unrooted.

在建构演化树时，通常分为距离与字元特徵两种评分方式，有根与无根两种建构方式。

Thus to go from one great novelist to another ── from Jane Austen to Hardy , from Peacock to Trollope , from Scott to Meredith ── is to be wrenched and unrooted; to be thrown this way and then that.

因此，从一个伟大的小说家转向另一个伟大的小说家——从简·奥斯汀到哈代，从皮科克到特罗洛普，从司高特到梅瑞迪斯——会使你困惑不堪，一会儿是这样，一会儿是那样。

This paper presents a maximum criterion-based phylogeny analysis method for unrooted trees. To increase the confidence level of the derived evolutionary trees, we use bootstrapping and consensus analysis in conjunction with a genetic algorithm for crossover and mutation between evolutionary trees.

本论文采用最大概率字元特徵式的评分方式，以及无根的建构方法，利用基因演算法对所有可能的树的子树做交配与突变，再使用统计自序法与一致演化树法来增加树的可信度。

Main points of this paper are as follows:(1) to explain emphatically and to prove the Jukes-Cantor Model, Kimura Model and the relationships of them;(2) to construct and to prove, using EM algorithm, the theorems of estimating best branches of DNA sequences having censored data for Jukes-Cantor Model under the conditions of rooted tree and unrooted tree respectively;(3) to construct and to prove, using EM algorithm, another three theorems of estimating best parameters of DNA sequences having censored data for Kimura Model under the conditions of rooted tree and unrooted tree.

本论文的重点在于解释和证明Jukes-Cantor模型、Kimura模型及两模型之间的关系；运用EM算法构造并证明Jukes-Cantor模型下含缺损数据的DNA序列构建有根树的最佳分枝长度估计定理；运用EM算法构造并证明Kimura模型下含缺损数据的DNA序列构建有根树的最佳参数估计定理。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了