在联树模型的基础上，把图在曲面上的嵌入用其联树，也即其关联曲面来表示。
On the basis of the joint tree model, an embedding of a graph on a surface can be rep-resented by a joint tree, further by an associated surface of it.
2003年刘提出的图的联树（1979的文章体现了这种思想）为嵌入亏格分布的研究提供了理论基础。
Liu created joint trees, initiated in his early paper in 1979, of a graph in 2003 which provided a foundation on studying embedding genus distribution.
在刘彦佩提出的联树法的基础上，通过分类一类新图类的可定向嵌入曲面求出了这类图类的可定向嵌入的亏格分布。
In this paper, We obtain the total genus polynomials for two new classes of 4-regular graphs by using the joint tree model of a graph embedding introduced by Yanpei Liu.
本文利用刘彦佩提出的嵌入的联树模型，得出了两类新的四正则图的完全亏格多项式，并推导出已有结果的两类图的完全亏格多项式。
In this paper, We obtain the total genus polynomials for two new classes of 4-regular graphs by using the joint tree model of a graph embedding introduced by Yanpei Liu.
本文研究了优美树的一类联图的优美性，证明了这类图是优美图，同时还得到两类由它导出的优美图。
In this paper is studied the gracefulness of a class of join graphs derived from the graceful tree and related graphs. Some results are given.
联编程序将封装语言的语义，并指定如何使用表达式树在调用站点中执行操作。
Binders encapsulate a language's semantics and specify how to perform operations in a call site by using expression trees.
联峰山的下面有一个公园，里面有很多树和奇怪的石头。
At the foot of Lianfeng Hill is a beautiful park in which there are many unexpectedly shaped stones and trees.
允许用户在脊椎动物物种间选择数列同源性基因，然后显示多序列联配和系统发生树。
It allows one to select sets of homologous genes among vertebrate species, and to visualize multiple alignments and phylogenetic trees.
允许用户在脊椎动物物种间选择数列同源性基因，然后显示多序列联配和系统发生树。
It allows one to select sets of homologous genes among vertebrate species, and to visualize multiple alignments and phylogenetic trees.
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