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- 二部Ramseybipartite ramsey number
- 二部Ramsey数Bipartite Ramsey number
- 二two
- 部department
- 完全二部图complete bipartite graph
- 有向赋权二部图directed weighted bipartitegraph
- 一部subdivision
- 随机二部竞赛矩阵的不可约性和谱半径Irreducibility and spectral radius of random bipartite tournament matrices
- 二号2nd day of the month
- 财务部Finance Department
- 二楼second floor
- 周二Tuesday
- 三部曲trilogy
- 生产部production department
- 二次adratic quadrate
- 二等second-class
- 采购部purchasing department
- 大二学生sophister
- 市场部Marketing Department
- 小二young waiter in a wineshop or an inn
