n. quadrature
占地总面积为747平方米,展厅运用新颖的设计,重叠的空间理念让游客全方面感悟乌拉圭。
Built in an area of 747 m2, the pavilion will exhibit an innovative design that will house various interpretative Spaces that will offer visitors a multisensory experience of the country.
So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.
如果我们要讨论它的体积,我们要用的是表面面积,也就是4πr的平方,乘以厚度dr
So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.
如果你们数的话,原子核的数是,我们用它乘以πr的平方,得到横截面积,除以1。39平方米。
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