gradient

gradient
[ˈgreɪdɪənt]
noun
  1. an inclined part of a road or railway; a slope
    公路(或铁路)斜面;斜坡
    fail-safe brakes for use on steep gradients.
    在陡峭路面上使用的,有自动防故障设置的刹车。
    ■the degree of such a slope
    坡度
    the path becomes very rough as the gradient increases.
    小路越来越陡,也变得不平坦起来。
    ■(Mathematics)the degree of steepness of a graph at any point
    (数学)梯度,斜率
  2. (Physics)an increase or decrease in the magnitude of a property (e.g. temperature, pressure, or concentration) observed in passing from one point or moment to another
    (物理)梯度
    ■the rate of such a change
    梯度率
    ■(Mathematics)the vector formed by the operator ▽ acting on a scalar function at a given point in a scalar field
    (数学)梯度算子
语源
  1. mid 19th cent.: from grade, on the pattern of salient
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