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高度 定义

Height otherwise referred to as altitude is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more). For mathematics height is the shortest distance between the base of a geometric figure and its top, whether that top is an opposite vertex, an apex, or another base. As a more general definition, height is a distance measurement, usually in the vertical or upward direction, between a reference datum and a point or object. The reference datum also often varies according to the context. Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage. Vertical distance measurements in the downward direction are commonly referred to as depth. The diagram below illustrates height.