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

• 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。
• 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。
• 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。
• 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。
• 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。
• We also prove the autonomous system is a gradient system.
  还证明系统在自治情形时是一个梯度系统。
• 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。
• It has discussed the distributing disciplinarian and controlling factors of geothermal gradient.
  计算了地温梯度，探讨了分布规律和控制因素。
• For this theory, it is better than the traditional fixed damping conjugate gradient method.
  从理论上讲，它要优于传统的固定阻尼共轭梯度法。
• 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。