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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• 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。
• 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。
• 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。