The "rolling wave" concept is used most frequently on projects where: “rolling wave”是项目中经常应用于 A.
The baseline is frozen for the duration of the project and no scope changes are permitted 项目历时基线固定且没有范围变更 B.
Marketing is unsure of what the customer actually wants and reserves the right to make major scope changes 市场需求不明确,保留重大范围变更的权力 C.
The low levels of the work breakdown structure are known with certainty for the next three to six months, but the remaining tasks are based upon the results of the first three to six months of work 接下去的三至六月的工作内容是明确的,但是剩余的工作安排要是前三至六个月的工作结果而定 D.
Networking techniques are not appropriate 网络图技术不能应用