| 释义 |
gra·di·ent 英ˈgreɪdiːənt美ˈgrediəntAHDgrāʹdē-ənt ★☆☆☆☆高六ＭＴＧCOCA²⁰²⁹¹BNC⁹³⁹⁴iWeb⁷⁵⁶⁴Economist³⁴³¹⁸⁺³
基本英英词源搭配记法近义反义派生词例句Thesaurus例句
n.倾斜度¹;坡度⁶;梯度⁹³复数gradients
物理
Noun:
a graded change in the magnitude of some physical quantity or dimensionthe property possessed by a line or surface that departs from the horizontal;a five-degree gradient 词根词缀： -grad-步,级 + -i- + -ent名词词尾concentration gradient浓度梯度potential gradient电位梯度,势梯度,位…barometric gradient压力梯度falling gradient下坡道,道路降坡…doping gradient掺杂梯度average gradient平均坡度,平均斜率…pressure gradient气压梯度depositional gradient自然坡temperature gradient温度梯度moisture gradient含水梯度hydraulic gradient液位梯度flat gradient缓坡,平缓坡道…geothermal gradient地热梯度thermal gradient热梯度vertical gradient垂直方向梯度,垂直梯…transverse gradient横向比降,横比降…velocity gradient速度梯度salinity gradient含盐量梯度voltage gradient电压梯度adiabatic gradient绝热梯度
词根记忆grad-步/级i,-ent表形容词⇒n.倾斜度¹;坡度⁶;梯度⁹³n.变化率;梯度变化曲线;物|数梯度⁹³;坡路;陡度;斜坡;比降;斜率;升降率;道路的斜度;变化程度;坡道;斜度;级度;斜面adj.倾斜的;行走的;动步行的;能步行的;渐倾的近义词 ramp坡道hill小山rise上升grade等级slope倾斜pitch球场ascent上升descent下降incline倾斜
Pcontragradient逆步的Pgradient-echon.梯度回波Pgradientern.测斜仪倾料计
名词100%
用作名词It makes no odds because thegradient's still the same.由于倾斜度没有变，所以没什么区别。
The car slid down the steepgradientinto the river.汽车滑下陡峭的斜坡掉入河中。
The road has a fairly steepgradient.这条路的坡度相当陡峭。
The resulting solution is known as thegradient.合成解就是通常的梯度风。
Substrates may accumulate intracellularly against a concentrationgradient.底物可以逆浓度梯度而积聚于细胞内。noun.slope
同义词 acclivity,angle,bank,cant,declivity,grade,hill,inclination,incline,lean,leaning,pitch,ramp,rise,slant,tilt
ascentnoun upward slope
acclivity,grade,incline,ramp,rise
descentnoun moving down;lowering
cave-in,coast,coming down,crash,declension,declination,decline,declivity,dip,downgrade,droop,drop,drop-off,fall,falling,grade,gradient,header,hill,inclination,incline,landslide,plummeting,plunge,plunging,precipitation,prolapse,sag,settlement,sinkage,sinking,slant,slide,slip,slope,swoop,tailspin,topple,tumble
gradenoun incline, slope
acclivity,ascent,bank,cant,climb,declivity,descent,downgrade,elevation,embankment,gradient,height,hill,inclination,inclined plane,lean,leaning,level,obliquity,pitch,plane,ramp,rise,slant,tangent,tilt,upgrade
hillnoun uprising of earth's surface;pile
acclivity,ascent,bluff,butte,cliff,climb,down,drift,dune,elevation,eminence,esker,fell,gradient,headland,heap,height,highland,hillock,hillside,hilltop,hummock,inclination,incline,knoll,mesa,mound,mount,precipice,prominence,promontory,protuberance,range,ridge,rise,rising ground,shock,slope,stack,summit,talus,tor,upland
inclinationnoun slant, angle
acclivity,bank,bend,bending,bevel,bow,bowing,cant,declivity,deviation,direction,downgrade,grade,gradient,hill,incline,lean,leaning,list,pitch,ramp,slope,tilt
inclinationsnoun slant, angle
affections,appetites,aptitudes,aptness,attachments,attractions,biases,capabilities,capacities,cup of teas,desires,dispositions,drifts,druthers,fancies,fondness,grooves,idiosyncrasies,impulses,leanings,likings,minds,movements,partiality,penchant,persuasions,pleasures,predilections,predispositions,preferences,prejudices,proclivities,proneness,propensities,slants,soft spots,stomachs,susceptibilities,tastes,temperaments,things,trends,turns,types,urges,velleities,weaknesses,whims,wills,wishes And we have learned how to package partial derivatives into a vector,the gradient vector.
我们也知道了,如何将各个偏导组合成一个梯度向量。163
If I fix a point, then the gradient vector at that point is given to me.
确定一点，那么对我来说，这点的梯度向量就是确定的。163
OK, so if I go in that direction, which gives me the fastest increase, then the corresponding slope will be the length of the gradient.
也就是说，如果朝该方向运动，函数值变动得最剧烈，那么相应的斜率就是梯度向量的模长。163
OK, so the new definition for today is the definition of the gradient vector. And, our goal will be to understand a bit better what does this vector mean?
所以今天我们的新定义,就是梯度向量，目的就是更好的理解这一定义,这个向量的含义是什么？163
So as you can see below, here we're adding a Gradient Overlay from black to white, faded out a bit and on Overlay mode.
你在下面可以看到，这里我们正在添加一个从黑到白的梯度覆盖，在覆盖模式下淡化一点。 yeeyan
The graphics and toolbars now use gradient backgrounds for improved appearance.
图形和工具栏现在使用梯度背景以改进表现。 ibm
Well, a gradient of this function.
这个函数的梯度向量。163
Well, we've seen this criterion that if a curl of the vector field is zero and it's defined in the entire plane, then the vector field is conservative, and it's a gradient field.
我们已经知道了一个准则,如果向量场的旋度为零,而且它在整个平面上有定义，那么这个向量场是保守的，而且它是个梯度场。163
And I can rewrite this in vector form as the gradient dot product the amount by which the position vector has changed.
可以把这些用向量形式重新写下来,就是梯度向量和位置改变量的点积。163
I mean we'd seen in last time, but the gradient is perpendicular to the level and points towards higher values of a function.
我的意思是，上一次我们讨论过了,这个梯度是垂直于等高线，并且是指向方程增长的方向的。163
Now, what's the gradient vector?
现在，梯度向量是什么呢？163
So, a gradient of what?
什么的梯度向量呢？163
So, the gradient is perpendicular.
所以，梯度向量是垂直的。163
So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.
总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。163
So if a scientist wanted to study the microorganisms living on each side of a temperature gradient, the AUV would find the boundary, follow it, and pick the best spot to take samples.
因此，当一位科学家有兴趣研究生活在海平面下某一温度层边缘的微生物，这台水下自动探测机器人能够找到温度梯度的边界，并在那里找到最佳样本。 yeeyan
That's gradient. The other one goes from vectors to functions.
那就是梯度，另一个把向量映到函数。163
The third is to be certain that the temperature gradient which that badly conducting material creates is not frittered away by poor design.
第三，要肯定的是，温度梯度要采取导热不好材料进行创建，而不要因为不良的设计而一点一滴地浪费。 hxen
The question is, if I have a conservative, or path independent vector field, why is it the gradient of something?
现在的问题是，如果有一个保守的，或者路径独立的向量场，那它是某个东西的梯度吗？163
The gradient in surface tension induces a flow of liquid that helps to heal the thin spot and hinder rupture.
由此，表面张力的梯度就引进了一个液体流，这种液体流可以帮助“治愈”薄弱点从而防止破裂。 yeeyan
Then, over billions of years, stars develop in the outer regions, raising the metallicity there and flattening the gradient.
随后，在亿万年间，恒星发展到外部趋于，提高了外围的金属丰度，因而使得梯度降低了。 yeeyan
They did not, for instance, all have the same downward gradient as the semiconductor industry, where BCG had first identified the phenomenon.
并不是所有的产业都跟 BCG发现的曲线理论的半导体产业一样，拥有同样的梯度下降走势。 ecocn
This is the social gradient in health.
这就是健康方面的社会梯度。 who
This one goes right away, by using the gradient factor.
方法是使用梯度因子，很快的得到了结果。163
Thus, the disc begins its existence with a steep metallicity gradient, like the one in the distant galaxy in Leo.
因此，主盘在形成伊始有一个很大的丰度梯度，就像遥远的狮子座里的那个星系那样。 yeeyan
We know that the gradient is perpendicular to this vector that's tangent to the level surface What about other vectors tangent to the level surface?
我们知道梯度向量垂直于这个向量,而速度向量是相切于等值面的,其他相切于等值面的向量，又如何呢？163
Well, so, what's the gradient of this function?
那么，这一函数的梯度是什么？163
What is the gradient of this function?
这个函数的梯度是什么？163
When there's a smaller gradient, air is often able to flow down from the Arctic.
而当它们之间只有一个较小的气压梯度时，风就能够经常从北极区向南吹。 yeeyan |