The typical characteristic of the electronic information products is: Marketlife cycle is short, the model change is frequent, emphasize networked application.
电子信息产品的典型特点是市场寿命周期短、产品更新换代频繁、强调网络化应用。
2
In this research, three methods presented to calculate the span, including agent cost method, product technique disassembly method and the combo of marketlife cycle and response method.