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。
• But we know another vector that is also perpendicular to the level set of g.That is the gradient of g.
  但我们知道有另外一个向量也是和g的等值面垂直的，这个向量就是g的梯度。
• In the paper, added the gradient information into the image gradation histogram, proposed the gradation-gradient two-dimensional histogram.
  通过对图像的灰度直方图中加入它的梯度信息，提出了灰度-梯度的二维直方图。
• 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。
• So, a new approach for the industrial tests on magnetic media of high gradient magnetic separator is proposed.
  为此提出了一种高梯度磁选机磁介质工业试验的新方法。
• This gradient is produced by the action of the electron transport system.
  这梯度行动所产生的电子传输系统。
• We discuss several different definitions of directional derivative and gradient vector.
  讨论了几种不同的方向导数和梯度的定义。
• Add Bevel and Emboss and Gradient Overlay.
  添加斜面和浮雕和渐变叠加。
• 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。
• In the first section, we introduce the development of the conjugate gradient methods.
  在第一部分中我们介绍了共轭梯度法的发展过程及其研究现状。