Originally developed by S. R. Ranganathan, a faceted description of an item uses multiple characteristics to provide a cross-indexing capability when information may belong to many categories.
面向方面的项目描述最初由 S. R. Ranganathan 开发，这种方法在信息可能属于多个分类时使用多个特征来提供交叉索引功能。
2
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 .
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。
3
The cross- section curvature ductility ratio for R. C inequiaxial T - shaped, L - shaped and cress - shaped columns is calculated by numerical method.