特级教师或专家的课堂教学是没有遗憾的课堂教学,不需要做教学反思。()
参考答案:错
()describes, in detail, the project’s deliverables and the work required to create those deliverables.
A. Product scope description
B. Project objectives
C. Stakeholder Analysis
D. The project scope statement
投影运算是一个______元运算。