When the waterfall does not work fine?A.The environments of development is stable.B.The

大学 在职攻硕英语 已帮助 人

When the waterfall does not work fine?

A.The environments of development is stable.

B.The markets don’t change rapidly.

C.The markets change predictably.

D.The demand of software may change at any time.

热搜:the galapagos islands