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词汇 Spot height
分类 英语词汇 英语翻译词典
释义

Spot height

英语百科

Spot height

Spot height 479 near Arenig Fach in Snowdonia, Wales, marked by a cairn

A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum. In the UK this is the Ordnance Datum. Unlike a bench-mark, which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be marked by cairns.

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