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

• According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method.
  并根据滤波矩阵的特殊性，？用共轭梯度法求解滤波方程。
• 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。
• Structural stability of hydroxyapatite at high temperature in bioactive gradient coatings was studied.
  重点研究了生物活性梯度涂层中羟基磷灰石高温结构稳定性。
• The combined effect of uplift and denudation upon the temperature gradient can be obtained by formula ( 3.86).
  抬升和剥蚀对温度梯度的联合效应可以根据公式（3.86）进行估定。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。