二楼的是文盲~
product life cycle
是产品生命周期的意思.
产品生命周期分为四个阶段 引入期（Introduction）、成长期（Development）、成熟期（Mature）和衰退期（Decline）
产品生命周期是描述一个产品在市场上生存特性的曲线.
想了解一下detail可以看一下市场营销之类的书.
Product Life Cycle的英文解释,
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请问 product life cycle 应如何翻译啊?要规范的!Thanks!
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