摘要
详细介绍了Ｓｔｅｉｎｅｒ问题及其几个主要研究方向的进展情况．探讨了有关Ｓｔｅｉｎｅｒ问题各时期的研究特点．并对其文献情况给出了统计分析．
The Steiner problem and main research fields are discussed in detail.The features of studying the Steiner problem and the statistical results about itsliteratures at each Period are given.
关键词
图论
Steiner问题
平面
graph theory
Steiner problem
Steiner minimal trees
plane
