首先，论述质量的基本概念、分类和QFD的概念、质量屋、四阶段模式展开。
Firstly, quality concept, quality classification, QFD concept, HOQ and 4 stages model are introduced.
当然不同的组织绩效评估过程也会不同，但是多数成熟的组织通常都会遵循这个四阶段模式。
Of course there may be many individual variations on the basic theme, but most sophisticated companies generally follow this four-phase process.
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