单词 | double integral |
释义 | 例句释义: 重积分,二重积分,双重积分,重积分计算 1. Sometimes if it's the volume between the x, y plane and the graph of some function, you can just set it up directly as a double integral. 有时要计算的体积处于x,y平面,和某函数图象之间,则可以直接当作二重积分计算。 open.163.com 2. The final formula for the moment of inertia about the origin is the double integral of a region of r squared density dA. 关于原点的转动惯量,就是在区域上,求r^2*δ*dA的二重积分。 open.163.com 3. One example that we did, in particular, was to compute the double integral of a quarter of a unit disk. 我们已经做过的一个例子是,计算四分之一单位圆上的二重积分。 open.163.com 4. Double integral over a surface of F dot n dS is going to be --What are we going to do? 在曲面上做F?ndS的二重积分,会是……我们要怎么做? open.163.com 5. And, when you've done that, it becomes just a double integral in the usual sense. 这么做的话,它就变成了通常的二重积分。 open.163.com 6. But, you know, it gives you an example where you can turn are really hard line integral into an easier double integral. 但是你知道,它给了你一个例证,其中你可以,把复杂的线积分化成简单些的二重积分。 open.163.com 7. FndS Well, we said that this flux would be given by double integral on S of F dot n dS. 流量将由,在S上的二重积分给出。 open.163.com 8. You know how to compute a double integral of a function. 要懂得如何计算一个函数的二重积分。 open.163.com 9. If it is a closed curve, we should be able to replace it by a double integral. 如果是一条闭曲线,也可以用二重积分来代替的。 open.163.com 10. Use geometry or you need to set up for double integral of a surface. 总之,就是用几何方法或是在曲面上建立二重积分。 open.163.com 1. We have defined the double integral over a region R and plane of a function f of x, y dA. 我们已经定义了,平面上区域R的fdA的二重积分。 open.163.com 2. The system is composed of a double integral ICL7107 ADC integrated circuit. 该系统主要是由ICL7107组成一个双积分模数转换集成电路。 goabroad.zhishi.sohu.com 3. So maybe we first want to look at curves that are simpler, that will actually allow us to set up the double integral easily. 先看看简单些的曲线的情形,这样我们解决二重积分会简单许多。 open.163.com 4. So, it's one over the area times the double integral of xdA, well, possibly with the density, 1 but here I'm thinking uniform density one. 那么就是在这个区域的对xdA的二重积分,当然可能和密度有关系,但在这认为密度均为。 open.163.com 5. Meanwhile, Newton-Leibniz formulas of double integral and curvilinear integral are discussed. 同时,讨论了二重积分和曲线积分的牛顿-莱布尼兹公式。 www.ceps.com.tw 6. And then you know that the line integral inside will be equal to 0 the double integral of curl, which is the double integral of zero. 你就会知道内部的线积分等于,旋度的二重积分,即是。 open.163.com 7. But, so what we'll do actually is we'll reduce the calculation of a double integral to two calculations of single integrals. 但实际上,我们要做的是,将一个二重积分的计算,简化为两个单变量积分的计算。 open.163.com 8. Now what do I do with that? Well, I have turned my integral into the double integral of a dS. 下面我将怎么做呢?,我已经把给定积分,变换成了对adS的二重积分。 open.163.com 9. Then I can actually -- --replace the line integral for flux by a double integral over R of some function. 那么我就能名正言顺地,用R上的某个函数的二重积分来替代通量的线积分。 open.163.com 10. I mean, of course, if you didn't see that, then you can also compute that double integral directly. 如果你没看出来,也可以直接计算二重积分。 open.163.com 1. So, that's the general pattern. When we have a double integral to compute, first we want to set it up carefully. 这就是计算二重积分的一般过程,计算一个二重积分,首先要细心的把它写出来。 open.163.com 2. The area R is the double integral over R of a function one. 区域R的面积是函数1在R上的二重积分。 open.163.com 3. Let's us replace a line integral along a closed curve by a double integral Well, here it is the same. 用一个二重积分,来代替沿闭曲线的线积分,原理是一样的。 open.163.com 4. Double integral is a kind of common conversion technology, with high precision, strong anti-jamming capability, etc. 双积分是一种常用的转换技术,具有精度高,抗干扰能力强等优点。 qikan.com.cn 5. Double integral of f dot n dS of a closed surface S. 这是封闭曲面上F?ndS的二重积分。 open.163.com 6. We've seen various formulas for how to set up the double integral. 我们已经学过,如何建立这种二重积分的公式。 open.163.com 7. So, I will -- -- compute the double integral over the region inside of curl F dA. 我会计算,在这个区域内旋度FdA的二重积分。 open.163.com 8. But let's do it as a double integral. 但是让我们用二重积分来做。 open.163.com 9. I can just say this will be a times the double integral of dS. 我们可以把a提出来,直接计算a*dS的二重积分。 open.163.com 10. So, if a curl was well defined at the origin, you would try to, then, take the double integral. 如果旋度在原点有定义,你就可以试试了,计算二重积分。 open.163.com 1. And this is finally where I have left the world of surface integrals to go back to a usual double integral. 也就是最终要摆脱曲面积分,回到常规的二重积分。 open.163.com 2. It will just be the double integral over a surface of F dot n dS. 它就是曲面上对FdS的二重积分。 open.163.com 3. Now, how do we compute that double integral? 那么,怎么计算这个二重积分呢? open.163.com 4. Namely, that becomes the double integral over that surface S of curl F, ndS which I will write as dell cross F dot n dS. 这就是F的旋度,在曲面S上的一个二重积分,记为? open.163.com 5. And we want to show that this is equal to the double integral of P sub x Q sub y dA. 接下来要证明的是,这是等于dA的二重积分。 open.163.com 6. I will just get double integral over R of x dA, which looks certainly a lot more pleasant. 我只需要计算xdA在R上的二重积分,看上去确实简单许多。 open.163.com 7. So, using Green's theorem, the way we'll do it is I will, instead, compute a double integral. 那么,使用格林公式,我们去计算二重积分。 open.163.com 8. This side here is a usual double integral in the plane. 这边是平面上普通的二重积分。 open.163.com 9. In fact, we can use polar coordinates instead to compute this double integral. 可以用极坐标代替直角坐标,来计算这个二重积分。 open.163.com 10. How do you express the area as a double integral? 如何用二重积分来表示面积呢? open.163.com 1. Now I have everything I need to compute my double integral. 至此我已经得到了,用来计算二重积分的所有量。 open.163.com 2. That is what a double integral means. 这也就是二重积分的意义。 open.163.com 3. Discussion on the Pedagogy of Concept of Limit, Definite Integral and Double Integral 极限、定积分、二重积分概念教法之探讨 www.ilib.cn 4. Exploration of Relationship Between Improper Double Integral and Improper Iterated integrals 广义重积分与广义逐次积分的关系探讨 www.ilib.cn 5. Solving the problem of Definite Integral by Means of Double Integral 利用二重积分解决有关定积分的问题 www.ilib.cn 6. Using special integrating region and special integrand to simplify calculation of double integral 利用特殊积分区域及特殊被积函数简化二重积分计算 service.ilib.cn 7. On the Double Integral of Linear-Fractional Homogeneous Functions with Two Variables 关于二元分式线性齐次复合函数的积分 www.ilib.cn 8. The Symmetry of Double Integral and Its Application 重积分的对称性及其应用 ilib.cn 9. Double Integral Technique of the Definite Integral 定积分中的重积分技术 www.ilib.cn 10. Problems and Solutions on Calculating the Double Integral in the Symmetric Block 计算对称区域上二重积分的问题及解决方法 www.ilib.cn 1. Double-integral iteration method for nonlinear full-range analysis of R. C. Frames 二次积分迭代法的钢筋混凝土框架非线性全过程分析 service.ilib.cn 2. A Formula and Its Application of Double Integral 二重积分的一个公式及应用 service.ilib.cn 3. Calculates volume of revolving body with double integral 用二重积分求旋转体的体积 ilib.com.cn 4. Inverse proposition of mean value theorem of double integral 二重积分中值定理的逆命题 service.ilib.cn 5. The Application of Linear Integral in Double Integral 曲线积分在二重积分中的应用 service.ilib.cn 6. The Application of Symmetry in Double Integral 对称性在二重积分中的应用 www.ilib.cn 7. An Extension of double Integral Mean value Theorem 关于二重积分中值定理的一个推广 www.ilib.cn 8. An Improvement about the Mean Value Theorem of Double Integral 二重积分中值定理的改进 service.ilib.cn 9. Time Best Control of Double Integral Models 双积分模型的时间最优控制 service.ilib.cn 10. A Calculation Method of Double Integral 一类二重积分的计算 service.ilib.cn 1. AD Separated Double-Integral AD Based on CPLD 基于CPLD实现的隔离双积分 www.ilib.cn |
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