| 单词 | 邻域 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔neighborhood〕Mathematics The set of points surrounding a specified point, each of which is within a certain, usually small distance from the specified point.【数学】 邻域：定点周围的点的集合，其中每个点离定点在一定的，通常是很小的距离内美国传统〔open〕Of, relating to, or being a set such that at least one neighborhood of every point in the set is within the set.开集合的：指集合中的每一个点都有一个邻域，而且这些点全部在此集合中的美国传统 |
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