The authors want to deduce a brief formulation, and use all-purpose program to get exact result for echelon, rectangle and rotundity cross section.
作者想推导简短的公式，对梯形、矩形和圆形断面采用通用的程序，以得到准确的结果。
2
This article concludes with a discussion of managing projects embedded in a larger program -- assessing project health and value delivery from a cross-project perspective.
这篇文章结尾讨论的是管理嵌入在计划中的项目方法——从一个交叉项目的角度评估项目性能状况和价值。
3
In addition, they must accept direction from the program manager and escalate issues that cross individual project boundaries up to that manager.