有一单容控制对象，时间常数T大，当它受到阶跃扰动后（）

A.被控量达到新稳态值变化量大

B.被控量达到新稳态值变化量小

C.被控量变化慢，飞升曲线平坦

D.被控量变化快，飞升曲线陡

（） from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.

A.Process

B.Milestone

C.Work

D.Deliverables