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 gradient coating can decrease the damage of the residual thermal stress.
  梯度涂层在一定程度上可降低残余热应力对涂层的破坏。
• A set of technology about resin adsorption and gradient desorption was established.
  建立了一套树脂吸附和梯度解吸工艺。
• 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。
• But this does not mean that the adjoint method can not be used to calculate the gradient.
  但这并不意味着在梯度计算中不能使用伴随方法。
• 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。
• 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。
• 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。
• This scheme is related to the mathematics; the Conjugate Gradient Method ( CGM).
  这项方案涉及到数学中的共轭梯度法（CGM）。
• 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。
• 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。