“边界点”常见的英文表达是 “boundary point”。
在数学、地理等相关领域中,这个短语被广泛使用。例如:
In mathematics, a boundary point of a set is a point which is a member of the set's closure but not of the set's interior.(在数学中,集合的边界点是集合闭包中而非集合内部的点 。)
We need to identify all the boundary points of this region on the map.(我们需要在地图上标出这个区域的所有边界点。)