内部融资不能完全满足公司持续、快速的销售收入增长需求时，说明公司利润率低。( )
参考答案：错
Earned value technique is used in which process
A) Direct and manage project execution. B) Monitor and control project work. C) Integrated change control. D) Develop project management plan.
新产品开发要经过哪些阶段？每个阶段要解决的主要问题是什么？
