y OK, so let's say that we have a function of two variables, x and y.
假设有一个函数含有2个变量x和。
So, we said when we have a function of two variables, we have the gradient vector.
我们说，当一个二元函数存在时，就有梯度向量。
Life can be people need to have a function, people pay, is the most enjoyable life.
人生能被人需要，能够有份功能，为人付出，才是最愉悦的人生。
Now you have a function that allows you to easily build whatever kind of tables you wish.
现在，有了一个可以简单地构建任何想要的表的函数。
So, you'd say, oh, it's easy. Let's just integrate, except you don't have a function.
那么，你会说那很简单，积分就可以了，除非你不知道函数是什么。
You have a function that you want to switch between rectangular and polar coordinates.
把一个函数，在直角坐标和极坐标中转换。
The whiskers have a function of improving mechanical property of the keratin membrane.
晶须具有改善角蛋白膜机械性能的作用。
So, in the example below, we have a function that checks the node type of the next sibling node.
在下面的案例中，我们将书写一个用于检测下一个同属节点的 节点类型的函数。
Three of the play he slipped end-over-end detail structure? What are those? Each have a function?
三涵管管身的细部构造有哪些？各有什么作用？
Once we have a function, it is much easier to filter on different data sets and fluctuation thresholds.
一旦我们拥有了一个函数，对不同的数据集和波动临界点进行过滤就简单多了。
All right, so let's try to do an example where we have a function that depends on variables that are related.
好的，我们来做一个例题，有一个依赖于相关变量的的函数。
The results suggest that BPP may have a function to stabilize membrane fluidity of pancreatic exocrine cells.
结果提示，牛胰多肽有稳定胰腺外分泌细胞膜流动性的功能。
All these have a function to perform in prayer, for the whole person is called to share in the total act of worship.
所有这些都在祈祷中发挥作用，因？整个人都被召唤分享整个崇拜的行动。
Say, polar coordinates. Let's say that I have a function but is defined in terms of the polar coordinate variables on theta.
比如说极坐标，有一个函数,是根据极坐标θ定义的。
Or, the other way around, I have a function of x and y and I want to express it in terms of the polar coordinates r and theta.
反过来，有一个关于x和y的函数,也可以表示成极坐标r和θ
The cholesterol for contain in milk not Gao, but milk in the milk contain pure and sour still have a function of repress the cholesterol.
牛奶中所含的胆固醇并不高，而牛奶中所含的乳清酸还具有抑制胆固醇的作用。
Literature should have a function of social value - The modern eschatology, a dislocation of value, has a negative effect on modern literature.
文学应该具有社会价值功能。现代末世学是一种价值借位，它对当今文学产生了很大的负面影响。
So now, that's going to be particularly important when we have variables that are related because, let's say now that I have a function that depends on x, y, and z.
在处理相关变量时，这一点特别的重要，这是因为…，例如有一个依赖于x,y,z的函数。
Namely, let's say that you have a function maybe of three variables, x, y, z, df = fxdx+fydy +fzdz then you would write df equals f sub x dx plus f sub y dy plus f sub z dz.
即是说，如果你有一个,含自变量，x，y，z的函数，那么。
The system not only have some functions such as light showing and countdowning, but also have a function of speech hinting because the speech characteristic of SPCE061A.
充分利用SPCE061A的语音特性，不仅具有红绿灯显示、倒计时功能，还能对红绿灯的转换进行语音提示，并能够根据路口需要设置红、绿灯的倒计时时长。
Once you have a function call that can operate on a range of lines, a particularly useful technique is to call that function via Visual mode (see: help Visual-mode for details).
一旦拥有了一个可以操作行范围的函数调用后，一个特别有用的技巧就是通过Visual模式(参见：help Visual - mode获得更多细节)调用该函数。
no matter what value you put for a function, 0 if you have a function that's zero everywhere except at the origin, and some other value at the origin, the integral is still zero.
无论函数是什么，如果你的函数除了原点处处为，在原点是其他的值，那积分还是0的。
In an application supporting globalization, you often have a function named select language, which displays a different language on the user interface according to a user's selection.
在支持全球化的应用程序中，通常有一个功能叫做选择语言，它将根据用户的选择在用户界面上显示不同的语言。
In short bursts, these hormones have a positive effect, including improved memory function.
短时间内这些激素会产生积极的影响，其中包括改善记忆功能。
In short bursts these hormones have a positive effect, including improved memory function.
短时间内这些激素会产生积极的影响，包括改善记忆功能。
How can the hormone adrenaline that does not act directly on the brain have a regulatory effect on brain function?
肾上腺素不直接作用于大脑，怎么会对大脑功能产生调节作用呢？
How can the hormone adrenaline that does not act directly on the brain have a regulatory effect on brain function?
肾上腺素不直接作用于大脑，怎么会对大脑功能产生调节作用呢？
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