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- Prize-collecting Steiner tree problem 奖励收集斯坦利最小树
- This site offers information of the association, its membership and application, arborist links, educational links, introduction of tree problems and settlement. 本网站介绍了协会的发展历史、会员信息以及协会的林业专家目录等，另外，还提供了林木问题的解释和解决方案，和有关教育资源的链接等。
- minimum spanning tree problem, kruskal and prim algorithms. (译)：最小生成树问题，检验和普里姆algorithms.
- I look at this problem from a different viewpoint. 我从不同的观点来看这个问题。
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- In dealing with the problem he was cautious to an extreme. 他在处理这个问题时谨慎得过分了。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- Heavy traffic poses a problem in many old towns. 交通拥挤是许多旧城镇的难题。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- The problem is quite plain to us. 那问题我们都很明白。
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- They dealt with the problem in a purposeful way. 他们处理这问题很果断。
- He tethered his horse to a tree. 他用绳子把马拴在树上。
