为喷涂线计算和分析喷涂面积和喷涂成本。
Calculate or analyze the painting area and painting cost for the new component.
所有阻力图谱均用ITTC相关线计算摩擦阻力。
In the resistance charts, the friction resistance is calculated by using I957 ITTC correlation line.
在服务器端，为炮线计算可视区域的‘镜头’高度被修复了。
On the server side, the height of the "camera" used to calculate the viewed area for tracer display is fixed.
“阿氏法”是中小型工程规划设计中洪水过程线计算的主要方法。
The Alekceef's method is a main method to calculate flood hydrograph in the medium and small project planning and designing.
最后在实验的基础上对湍流廓线计算球面波斜程大气相干长度作了讨论。
At last, some problems of getting atmospheric coherent length from the integral of turbulence profile were discussed.
螺杆泵生产的关键是螺杆的加工，而成型刀具的型线计算又是螺杆加工的关键。
The process of screw spindle is the key of producing screw spindle pump, but the calculation of shaped cutting tool is still the crux of process of screw spindle.
该算法避免了在子问题的求解中使用效率较低的规划方法，提高了线计算的效率。
This algorithm avoids the dynamic programming in sub optimization problems, and improves the efficiency of the on line computations. The simulation results show the effectiveness of the new algorithm.
在利用等熵线计算冲击温度时，从冲击绝热线出发推导了一个半解析的等熵方程。
In the calculation of shock temperature by using isentropic curve, an isentropic equation which is consistent with the Hugoniot curve is developed.
我们估计，2008年的就业青年贫困人口有1亿5千2百万，这是根据每天1美元25美分的国际贫困线计算的。
We estimate that 152 million youth were classified as working poor in 2008 and that is based on the standard international $1.25 per day poverty line.
选取城市中最典型的十字形交叉口为对象，结合通行能力的停车线计算法，建立了典型十字形交叉口的通行能力模型。
Taking a typical intersection as an example, the crossing-capacity model of this typical intersection is established by using the stopping line method.
采用傅里叶变换红外光谱仪(FTIR)对样品进行化学结构分析并且根据谱线计算了不同热处理下薄膜的亚胺化程度。
The chemical structure of the freestanding films was investigated with FTIR spectroscopy and the degree of imidization was calculated.
电话线连接了数千台政府使用的计算机。
The telephone lines connected thousands of government computers.
在研究中，参加者被要求模拟一个前臂的60度运动，在计算机屏幕上划过一条波浪线。
In the study, participants were asked to mimic a 60-degree forearm movement that was represented as a wavy line on a computer screen.
如果所绘制的水平线与一个多边形顶点对齐，那么只计算位于该线下方的部分。
If the horizontal line drawn is aligned with a polygon vertex, then only the segments that are below the line are counted.
如果我们必须计算线积分，就必须通过寻找一个参数，并建立起一切。
If we have to compute a line integral, we have to do it by finding a parameter and setting up everything.
而且我们能用线积分的定义计算出来。
And this we can compute using the definition of the line integral.
我只需计算三个简单的线积分。
就像做功一样，当计算这线积分时，通常不这样用几何方法来做。
Just as we do work, when we compute this line integral, usually we don't do it geometrically like this.
它实际上做的是计算线积分。
也就是说可以计算，那些线应该在哪。
Which is to say we know we can calculate where those lines belong.
要计算三个线积分，而不是两个，但概念上是一样的。
You have three line integrals to compute instead of two, but conceptually it remains exactly the same idea.
在这张图表中,我计算了有效边界-,蓝色线表示三种资产的组合。
What I did in this diagram is I computed the efficient portfolio frontier-- now it's the blue line with three assets.
然后我们来看看，既然我们看到了如何实际操作，如果不想去计算线积分的话，如何避免它。
No? OK, so let's see, now that we've seen how to use it practice, how to avoid calculating the line integral if we don't want to.
如果有一个梯度场，然后想计算线积分，我知道积分值是,起点的函数值减去终点的函数值。
Well, if I have a gradient field, then if I try to compute this line integral, I know it will be the value of the function at the end point minus the value at the starting point.
如果没有问题的话，我们就来算算它吧，如何计算这个线积分的值呢？
If there are no other questions then I guess we will need to figure out how to compute this guy and how to actually do this line integral.
格林公式是另一种可以,避免计算线积分的方法。
So, Green's theorem is another way to avoid calculating line integrals if we don't want to.
这向我们展示了，计算线积分的办法。
OK, so that should give you overview of various ways to compute line integrals.
这是计算过程的关键步骤，也就是说，你们已经知道如何用线积分去计算通量了。
That is the key to computing things in practice. It means, actually, you already know how to compute line integrals for flux.
我们知道如何计算线积分。
我们知道如何计算线积分。
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