图G的关联矩阵 M
心电图的导联 Leads of ECG
关联的图书馆数据 Linked Library Data
西雅图的癌友关怀联盟 seattle cancer care alliance
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.
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