It is found that the canonical momentum is directly proportional to the gradient of space phase.
发现正则动量与空间相的梯度成正比。
What is the gradient of this function?
这个函数的梯度是什么？
Well, you take the gradient of a function.
作出一个函数的梯度。
Well, so, what's the gradient of this function?
那么，这一函数的梯度是什么？
The car can also easily climb a gradient of 23% at take-off.
汽车也可以轻易爬梯度的23%，起飞。
The developmental gradient of activity is much steeper in A.
这种活性梯度由于形态上的差异，A。
Say that f, our vector field is actually the gradient of some function.
也就是向量场f实际上是一个函数的梯度。
That means that the gradient of f is perpendicular to the level set of g.
也就是说f的梯度向量,应该与g的水平集垂直。
I am sure some of you have already figured out what it is the gradient of.
我相信你们中的某些人，已经知道是谁的梯度了。
Then you know that the gradient of g is perpendicular to the level surface.
那么就知道了g的梯度,是垂直等值面的。
The reaction rate is limited by the concentration gradient of oxygen in the sample.
反应速率受试样中氧浓度梯度的限制。
So, it's a force field is the gradient of a potential so, I'll still keep my plus signs.
有一个力场，它是某种势的梯度，我们还是保持正号。
If you take the gradient of this, you should get again this vector field over there.
对这个函数取梯度，你应该又得到这个向量场。
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。
Gradient of liquid level increases with the increase of liquid flow and the height of weir.
液面梯度随液体流量的增加而增加，随堰高的增加而增大。
So, if the gradient of a function is a vector, the divergence of a vector field is a function.
如果说函数的梯度是向量，那么向量场的散度就是函数。
The influence of high-order gradient of strain on static analysis of nanofibers is discussed.
讨论高阶应变梯度对纳米纤维轴向应变分布的影响。
If the system is at constant pressure then there must exist a counter gradient of air molecules.
如果系统处于常压下，那么必定存在空气分子的反方向梯度。
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。
It tells you, if you take the line integral of the gradient of a function, what you get back is the function.
它说，如果你对一个函数的梯度做线积分，就能得到原函数。
The performance of segmentation methods based on watershed depends largely on the gradient of the image.
流域分割方法的性能主要依赖于图像梯度。
The mode of temperature gradient of this Bridges box girder is developed by the method of nonlinear regression.
采用非线性回归的方法，提出了该桥混凝土箱梁的温度梯度模式。
Contour furrows overcome this problem because they are placed on a gradient of about 0.5 % across the main slope.
等高沟克服了这个问题，因为这些沟垂直于主坡方向布置，沟道坡度约为0.5%。
For example, the electric field or gravitational field is given by the gradient of the gravitational or electric potential.
例如由重力势梯度给出的重力场，或由电势梯度给出的电场。
The energy to produce ATP is provided by a gradient of protons (or hydrogen ions) found on the two sides of the membrane.
能源生产三磷酸腺苷是由质子梯度（或氢离子）上找到双方的膜。
The second, the flame shape and color were determined by the concentration gradient of the place near the igniting position.
其次，火焰的形状和火焰的颜色是由点火位置附近的浓度梯度决定的。
Moreover the isogram chart of countrywide maximum temperature gradient of concrete pavements with frequency of 2% is plotted.
并且绘制了全国2%频率水泥混凝土路面最大温度梯度等值线图。
The induction force is yielded by the non-uniformity of the field intensity which depends on the gradient of field components.
感应力是场强的不均匀性所引起，场强的不均匀程度由场强分量的梯度决定。
The induction force is yielded by the non-uniformity of the field intensity which depends on the gradient of field components.
感应力是场强的不均匀性所引起，场强的不均匀程度由场强分量的梯度决定。
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