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.
从通风网路图仅能看出角联分支风流方向的改变。
It just can be seen the change of airflow direction in diagonal branch from ventilation network diagram.
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.
目的用ST段体表等电势图（BSPM）的方法解释急性下壁心梗伴有胸导联ST段下移的心电现象。
Objective: To explain the physiologic electric phenomena of acute inferior myocardial infarction accompanied with ST depression in precordial leads with body surface potential mapping (BSPM).
得到了扇和完全等二部图联图的边色数。
The edge chromatic number of join graph with fan and complete balanced bipartite graph was obtained.
目的进一步挖掘出两导联心电信号中潜在的信息，探讨一种分析与处理两导联心电信号的新方法，即心电正交合成图法。
Objective To dig out the potential information in two-lead ECG signals, and discuss a new method of analyzing and processing two-lead ECG signals, viz.
在第三章中探讨了与联图有关的交叉数。
In Chapter three, we discuss the crossing number of the join.
如果不行的话，我会在最后一场欧联对斯图加特的比赛中上场。
If it doesn't happen, I will have some pitch time in our last UEFA Champions League group match against Stuttgart.
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.
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.
编委会邀请了来自国际图联及中国的多位专家担任成员。
The editorial board invited experts from IFLA and China to be its members, and Mr.
讨论了顺次联图邻域完整度的一些性质。
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.
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.
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