以下哪种估算技术可以使用原型法？（）

以下哪一项使项目小组建设的基本原则（）

Which one of the following is NOT a trade-off decision that must be made in the development of the project plan？

During a meeting with some of the project stakeholders, the project manager is asked to add work to the project scope of work . The project manager had access to correspondence about the project before the charter was signed and remembers that the projec

在进行成本估计时，你必须考虑直接成本、间接成本、一般管理成本和总的管理成本。以下哪一个不是直接成本？（）