gradient

英 [ˈɡreɪdiənt]

美 [ˈɡreɪdiənt]

n.  (尤指公路或铁路的)坡度，斜率，倾斜度; (温度、压力等的)变化率，梯度变化曲线

复数：gradients　

CET6TOEFL

Collins.1 / BNC.7370 / COCA.14325

牛津词典

noun

• （尤指公路或铁路的）坡度，斜率，倾斜度
  the degree to which the ground slopes, especially on a road or railway
  1. a steep gradient
     陡峭的坡度
  2. a hill with a gradient of 1 in 4 (or 25%)
     倾斜度为1:4（或25%）的小山
• （温度、压力等的）变化率，梯度变化曲线
  the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another

柯林斯词典

• N-COUNT 斜坡；坡度；倾斜度
  Agradientis a slope, or the degree to which the ground slopes.
  1. ...a gradient of 1 in 3...
     1比3的倾斜度
  2. The courses are long and punishing, with steep gradients.
     这些赛道既长又有陡坡，极具挑战性。

in AM, usually use 美国英语通常用 grade


• 变化率
  Thegradientof a graph or series of measurements is the rate at which one set of amounts changes in relation to another.

英英释义

noun

• the property possessed by a line or surface that departs from the horizontal
  1. a five-degree gradient
  Synonym:slope
• a graded change in the magnitude of some physical quantity or dimension

双语例句

• Add Gradient Overlay to avoid flat color and Bevel and Emboss to give it three-dimensional appearance.
  添加渐变叠加，以避免平面色彩和斜面和浮雕，给它的三维外观。
• A new gradient descent algorithm for unconstrained optimization problem is proposed.
  提出了一种新的无约束优化下降算法。
• The calculative method of critical slope gradient was got from combining the incipient velocity formula and rill stable condition.
  结合细沟泥沙起动公式和细沟稳定条件得到坡面侵蚀临界坡度的计算方法。
• The effects of the terrain and terrain gradient on the heavy rain of Xichang are studied.
  研究了西昌发射场特殊地形及地形梯度对其暴雨天气的影响。
• And that told us that the flow is proportional to a negative gradient of a concentration.
  这告诉我们，流动是和浓度的负梯度成比例的。
• This article has introduced an improved algorithm variable difference threshold value which is based on gradient.
  文章介绍了一种改进的基于斜率的可变差分阈值算法。
• The experiment results show that the method can improve the average gradient and preserve spectrum index commendably.
  实验表明算法有效提高了图像的清晰度和保持了光谱特性。
• Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
  低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
• Interest of each tag contains a time domain and a number of gradient domain.
  每个兴趣项包含一个时间标签域和若干个梯度域。
• The method to analyze the pressure gradient with mean radial velocity is used.
  本文提出了利用平均径向速度分析压力梯度的方法。