2002年国际数学家大会在北京召开，大会的会标是我国古代数学家赵爽画的“弦图”，体现了数学研究中的继承和发展。
In this paper,we introduce some basic properties of chordal graphs, study the corresponding structural chacterizations,including clique tree, minmum vertex separator,perfect elimination order and maximum weight spanning tree of clique graph.
本文首先介绍了弦图的基本性质,主要研究了从极小点分离集,团树,完美消去排序,赋权团图的极大支撑树等角度对弦图结构的刻画。
参考来源 - 弦图的基本性质及其推广应用·2,447,543篇论文数据，部分数据来源于NoteExpress
对弦虚脉、弦弱脉作为相兼脉的属性，从文献研究、弦脉的脉图、弦脉的特征进行论证。
As far as the nature of weak-taut pulse and feeble-taut pulse are concerned, the author demonstrates in various aspects including documentary studies, conditions and characters of taut pulse.
介绍了一种用剪力图和弯矩图求平面平行弦桁架内力的关系式，并利用截面法给出了相应的证明。
By means of the shear-diagram and the bending-diagram, the expressions of the internal forces in the members of the truss are introduced and demonstrated by the cross-section method in this paper.
宝音朝克图(三弦)。男，蒙古族。国家一级演员，中国三弦协会理事。
Baoyinchaoketu, male, Mongolian Chinese, an acclaimed Sanxian player, a three-stringed instrument, council member of China Sanxian Association.
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