gradient

發(fā)布時(shí)間：2025-08-24 | 來(lái)源：互聯(lián)網(wǎng)轉(zhuǎn)載和整理

n.(尤指公路或鐵路的)坡度，斜率，傾斜度; (溫度、壓力等的)變化率，梯度變化曲線

復(fù)數(shù)：gradients

牛津詞典

noun

（尤指公路或鐵路的）坡度，斜率，傾斜度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%)傾斜度為1:4（或25%）的小山

（溫度、壓力等的）變化率，梯度變化曲線the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another

柯林斯詞典

N-COUNT 斜坡；坡度；傾斜度A gradient is a slope, or the degree to which the ground slopes....a gradient of 1 in 3...1比3的傾斜度

in AM, usually use 美國(guó)英語(yǔ)通常用 grade

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

雙語(yǔ)例句

The courses are long and punishing, with steep gradients. 這些賽道既長(zhǎng)又有陡坡，極具挑戰(zhàn)性。

The combined effect of uplift and denudation upon the temperature gradient can be obtained by formula ( 3.86). 抬升和剝蝕對(duì)溫度梯度的聯(lián)合效應(yīng)可以根據(jù)公式（3.86）進(jìn)行估定。

This gradient is produced by the action of the electron transport system. 這梯度行動(dòng)所產(chǎn)生的電子傳輸系統(tǒng)。

And that told us that the flow is proportional to a negative gradient of a concentration. 這告訴我們，流動(dòng)是和濃度的負(fù)梯度成比例的。

This article has introduced an improved algorithm variable difference threshold value which is based on gradient. 文章介紹了一種改進(jìn)的基于斜率的可變差分閾值算法。

But we know another vector that is also perpendicular to the level set of g.That is the gradient of g. 但我們知道有另外一個(gè)向量也是和g的等值面垂直的，這個(gè)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. 通過(guò)對(duì)圖像的灰度直方圖中加入它的梯度信息，提出了灰度-梯度的二維直方圖。

The calculative method of critical slope gradient was got from combining the incipient velocity formula and rill stable condition. 結(jié)合細(xì)溝泥沙起動(dòng)公式和細(xì)溝穩(wěn)定條件得到坡面侵蝕臨界坡度的計(jì)算方法。

But this does not mean that the adjoint method can not be used to calculate the gradient. 但這并不意味著在梯度計(jì)算中不能使用伴隨方法。

A new gradient descent algorithm for unconstrained optimization problem is proposed. 提出了一種新的無(wú)約束優(yōu)化下降算法。

Add Bevel and Emboss and Gradient Overlay. 添加斜面和浮雕和漸變疊加。

A set of technology about resin adsorption and gradient desorption was established. 建立了一套樹(shù)脂吸附和梯度解吸工藝。

Structural stability of hydroxyapatite at high temperature in bioactive gradient coatings was studied. 重點(diǎn)研究了生物活性梯度涂層中羥基磷灰石高溫結(jié)構(gòu)穩(wěn)定性。

Change the highlight shape to a Radial Gradient. 改變突出形成了徑向梯度。

So, a new approach for the industrial tests on magnetic media of high gradient magnetic separator is proposed. 為此提出了一種高梯度磁選機(jī)磁介質(zhì)工業(yè)試驗(yàn)的新方法。

Add Gradient Overlay to avoid flat color and Bevel and Emboss to give it three-dimensional appearance. 添加漸變疊加，以避免平面色彩和斜面和浮雕，給它的三維外觀。

Create a small circle and fill it with the same gradient as the cap shape. 繪制一個(gè)小圓，填充和蓋子形狀一樣的漸變。

The method to ***yze the pressure gradient with mean radial velocity is used. 本文提出了利用平均徑向速度分析壓力梯度的方法。

We also prove the autonomous system is a gradient system. 還證明系統(tǒng)在自治情形時(shí)是一個(gè)梯度系統(tǒng)。

For this theory, it is better than the traditional fixed damping conjugate gradient method. 從理論上講，它要優(yōu)于傳統(tǒng)的固定阻尼共軛梯度法。

The experiment results show that the method can improve the average gradient and preserve spectrum index commendably. 實(shí)驗(yàn)表明算法有效提高了圖像的清晰度和保持了光譜特性。

In the first section, we introduce the development of the conjugate gradient methods. 在第一部分中我們介紹了共軛梯度法的發(fā)展過(guò)程及其研究現(xiàn)狀。

The gradient coating can decrease the damage of the residual thermal stress. 梯度涂層在一定程度上可降低殘余熱應(yīng)力對(duì)涂層的破壞。

It has discussed the distributing disciplinarian and controlling factors of geothermal gradient. 計(jì)算了地溫梯度，探討了分布規(guī)律和控制因素。

Interest of each tag contains a time domain and a number of gradient domain. 每個(gè)興趣項(xiàng)包含一個(gè)時(shí)間標(biāo)簽域和若干個(gè)梯度域。

We discuss several different definitions of directional derivative and gradient vector. 討論了幾種不同的方向?qū)?shù)和梯度的定義。

According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method. 并根據(jù)濾波矩陣的特殊性，？用共軛梯度法求解濾波方程。

This scheme is related to the mathematics; the Conjugate Gradient Method ( CGM). 這項(xiàng)方案涉及到數(shù)學(xué)中的共軛梯度法（CGM）。

Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production. 低滲透儲(chǔ)層滲流具有非達(dá)西特征和啟動(dòng)壓力梯度，是研究低滲透儲(chǔ)層開(kāi)發(fā)過(guò)程中問(wèn)題的基礎(chǔ)。

The effects of the terrain and terrain gradient on the heavy rain of Xichang are studied. 研究了西昌發(fā)射場(chǎng)特殊地形及地形梯度對(duì)其暴雨天氣的影響。

英英釋義

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