gradient

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

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

a steep gradient陡峭的坡度

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A gradient is a slope, or the degree to which the ground slopes....a gradient of 1 in 3...1比3的倾斜度

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The gradient of a graph or series of measurements is the rate at which one set of amounts changes in relation to another.

双语例句

The courses are long and punishing, with steep gradients. 这些赛道既长又有陡坡，极具挑战性。

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。

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。

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。

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。

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。

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。

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。

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 Bevel and Emboss and Gradient Overlay. 添加斜面和浮雕和渐变叠加。

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。

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。

Change the highlight shape to a Radial Gradient. 改变突出形成了径向梯度。

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。

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。

Create a small circle and fill it with the same gradient as the cap shape. 绘制一个小圆，填充和盖子形状一样的渐变。

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。

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。

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。

The experiment results show that the method can improve the average gradient and preserve spectrum index commendably. 实验表明算法有效提高了图像的清晰度和保持了光谱特性。

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。

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。

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。

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。

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。

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。

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）。

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。

英英释义

noun

the property possessed by a line or surface that departs from the horizontal

a five-degree gradient

Synonym:slope

a graded change in the magnitude of some physical quantity or dimension