Decline Stage: The fourth and last stage of the product life cycle. Entry into this stage is generally caused by technology advancements, consumer or user preference changes, global competition or environmental or regulatory changes. (See Chapter 34 of The PDMA HandBook 2nd Edition).
衰退阶段:产品生命周期中的第四个或最后一个阶段。这一阶段受到技术的进步、消费者或使用者的偏好变化、全球竞争加剧、环境或规则变化带来 的影响。(参见PDMA新产品开发手册第二版第34章)
