The volume code block in Listing 5 computes the cubic volume of a rectangular solid using the well-known formula.
清单5中的volume代码块使用常用公式计算长方体的体积。
2
By regarding a linear light source as a directional rectangular light source with infinitesimal width, a simple formula is derived for calculating the diffuse reflection component.
通过将线光源看作一个具有无限细小宽度的有向长方形光源，我们得到了一个计算漫反射分量的简洁公式。
3
A design model of a finite length rectangular pressure vessel was established based on the plate heap theory, the calculation formula of the side plate thickness was derived.