题目之后是关键词。（摘要还是免了吧，摘要其实是论文的精炼提要，难度可不小，很多写学术论文的搞不清摘要怎么写呢。） We outline a monotone spanning tree to be a spanning tree in which every root to leaf route from the tree encounters a non- reducing sequence of integers. We wish to compute this type of monotone spanning 考虑到黑白打印，统计图表不要使用颜色区分，柱状图饼图等使用不同的填充... https://e-bookmarks.com/story12584891/detailed-notes-on-%E5%8A%A0%E6%8B%BF%E5%A4%A7%E4%BB%A3%E5%86%99%E4%BB%B7%E6%A0%BC