T-X and F-X prediction filtering methods are common noise attenuation techniques.
和F-X等预测滤波方法都是常用的噪声衰减技术。
The function f in the y=f(x) equation that is behind that graph is how scalable your application is.
这个y=f(x)方程的图像所显示出来的f函数，就是你的应用的伸缩能力。
Whenever this linear relation between F and x holds, that is referred to as Hooke's Law.
不管F和x之间的,线性关系是多少，这就是所谓的胡克定律。
F is the continuous probability distribution for x.
是x的连续型随机变量的概率分布。
The first person let me go ahead and check out before him because of (x); other people did the same thing because of f(x). The essence of (x) is unknown.
第一个让我先结账的人是因为（x），而其他人这么做是因为（x），而这个x却是未知的。
We have the integral from minus infinity to plus infinity of F(x)*x*dx, and that's really--you see it's the same thing because an integral is analogous to a summation.
我们用从负无穷到正无穷的积分公式F(x)*x*dx,你看到的，这是相同的事，因为积分是类似的求和过程。
For example, the focal length of an 8" (203.2mm) aperture with a focal ratio of f/10 would be 203.2 x 10 = 2032mm.
比如，孔径为8英寸(203.2mm)，焦比为f/10的透镜，其焦距为203.2x 10 = 2032mm。
What we would start doing immediately is taking the partial derivatives. What is f sub x?
我们首先要做的事是,求偏导数，fx是多少？
Start Emacs and open a file ([Ctrl]-x[Ctrl]-f) called test.html.
启动Emacs，然后打开（[Ctrl]-x[Ctrl]-f）test.html 文件。
Well, we have seen that it is given by the partial derivative f sub x.
我们已经发现,它由f对x的偏导数给出。
Well, the change in f is the value of f at the upper point here, which is x0+delta x, and minus its value at the lower point P, which is f of x0, divided by delta x.
f的变量就是f在上面的点时的值，x0+deltax，减去f在下面的点P时的值，x0，再除以delta x。
x Maybe f depends on the variable x.
也许f依赖于变量。
We know that f sub x and f sub y are the slopes of two tangent lines to this plane, two tangent lines to the graph.
我们知道fx和fy是,曲面上两条切线的斜率。
Why is that? Well, let's say that f sub x is zero.
为什么呢？我们令fx为。
Suppose f of x, y, z equals k1, that is my equation, s1 and it gives me a solution s1.
假设我的方程是这样，然后给出了一个解。
What I'm integrating to is f of x of t and y of t.
我积分的是f，y
We want to know whether a given vector field with components P, Q and R can be written as f sub x, f sub y and f sub z for a same function f.
要看向量场,能否写成，其中f是同一个函数。
x And then, I can write partial f over partial x.
接着，我可以写出∂f/∂
C or F value, the X and Y coordinates of the center of a pixel at the up-left corner of the image, can be measured according to characteristic point in topographic map.
值为栅格图像左上角像素中心在地图上的X，Y坐标，其值可以根据特征点在地形图中的坐标量测获得。
The probands of pedigrees E and F of the mother were found with suspicions fragile X chromosome, being confirmed as the non-fragile X pedigrees by the molecular genetic test.
家系先证者及其母亲，F家系先证者发现可疑脆性X染色体，分子遗传学检查证实为非脆性X综合征家系。
The limit of the integrand f ( x ) of abnormal integral, which is convergent in the infinite range of integration, is not certainly equal zero at infinity.
摘要无穷限反常积分收敛时，其被积函数在无穷远处的极限不一定为零。
Filmmaking was transformed by digital editing, digital f/x, and digicams.
数字剪辑、数码特效以及数码摄像机改变了电影摄制方式。
WANG X F. the research on key technology of stress analysis based on infrared thermographic technology [d]. Harbin: Harbin Institute of technology, 2008.
[2]王喜丰。基于红外热像技术的应力分析关键技术研究[D]。哈尔滨：哈尔滨工业大学，2008。
If you are ambitious, try this alternative procedure: Note that f'(x)involves the Heaviside stepfunction.
如果你有雄心的话，可以用另外步骤试之：注意f’（X）包含亥维塞阶梯函数。
WANG K, YAN Z F, WANG W X, et al. Temperature evolution and fatigue properties prediction for high cycle fatigue of magnesium alloy[J]. Journal of materials Engineering, 2014, (1):85-89.
[28]王凯，闫志峰， 王文先， 等。循环载荷作用下镁合金温度演化及高周疲劳性能预测[J]。材料工程，2014，（1）：85-89。
Ultrasonic extraction was used to extract the gypenosides from fresh leaves sample(F), fixed sample(X), baked sample(B), air-dried sample(A) and dry tea sample(D) of Gynostemma pentaphyllum.
用超声法提取绞股蓝鲜叶样、杀青样、烘干样、风干样以及绞股蓝袋泡茶干茶样的总皂甙， 并测定其含量。
Ultrasonic extraction was used to extract the gypenosides from fresh leaves sample(F), fixed sample(X), baked sample(B), air-dried sample(A) and dry tea sample(D) of Gynostemma pentaphyllum.
用超声法提取绞股蓝鲜叶样、杀青样、烘干样、风干样以及绞股蓝袋泡茶干茶样的总皂甙， 并测定其含量。
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