理学 图论 释 undirected graph 无向图 二元组，其中是非空集合，称为的顶点集，其元素称为顶点；是中元素构成的无序二元组的集合，称为的边集，其元素称为边。
undirected graph 无向图†
理论计算机科学 数据结构 释文 undirected graph 无向图
- United Nations Conference on Housing and Sustainable Urban Development (HABITAT III)
- United Nations Conference on Human Settlements
- United Nations Conference on the Human Environment
- United Nations Conference on World Population
- United Nations Convention Against Corruption
- United Nations Convention against Corruption
- United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances
- United Nations Convention Against Transnational Organized Crime
- United Nations Convention on a Code of Conduct for Liner Conferences
- United Nations Convention on Carriage of Goods by Sea, 1978
- United Nations Convention on Contracts for the International Carriage of Goods Wholly or Partly by Sea
- United Nations Convention on Contracts for the International Sale of Goods
- United Nations Convention on Independent Guarantees and Stand-by Letters of Credit
- United Nations Convention on International Multimodal Transport of Goods
- United Nations Convention on the continental shelf
- United Nations Convention on the Law of the Sea
- United Nations Convention on the Use of Electronic Communication in International Contracts
- United Nations Convention on Transparency in Treaty-based Investor-State Arbitration
- United Nations Convention to Combat Desertification
- United Nations Counter-Terrorism Committee
- United Nations Decade of Ocean Science for Sustainable Development 2021—2030
- United Nations Declaration on the Rights of Indigenous Peoples
- United Nations Economic Commission for Africa
- United Nations Educational Scientific and Cultural Organization
- United Nations Educational, Scientific and Cultural Organization