·2,447,543篇论文数据，部分数据来源于NoteExpress
Figure 2-4 illustrates the product life cycle starting with the business plan, through idea, to product, ongoing operations and product divestment.
图2 - 4是一个例子，说明产品生命期开始于经营计划，经过构思，到产品，再到日常经营和产品退出市场。
youdao
应用推荐
模块上移
模块下移
不移动