• 1. simply connected domain: 单连通域 | 单闭区间
• 2. a simply connected domain: 单连通区域
• 3. channel-like non-simply connected domain: 非单连通管型区域

更多释义

• 1.OK, so for this guy, domain of definition, which is plane minus the origin with the origin removed is not simply connected.
  好滴，目前这里，在有定义的区域里，减掉原点，即移去原点，就不是单连通的。
  dict.yoduao.com
• 2.Sufficient conditions for a simply-connected domain of 2-dimensional minimal submanifold immerged in 2 + p-dimensional manifold of quasi-constant curvature to be stable were proved.
  证明了拟常曲率流形中二维极小子流形上一个单连通区域为稳定的充分条件。
  dict.yoduao.com

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