4JOHNSON M D,KIRCHAIN R E.The importance of product development cycle time and cost in the development of product families[J] .Journal of Engineering Design,2011,22(2):87-112.
6ANTONIO K W L,RICHARD C M Y,TANG E.The impacts of product modularity on competitive capabilities and performance:an empirical study[J] .International Journal of Production Economics,2007,105(1):1-20.