| 产品性能 | 管理规范 | 便捷程度 | 客户服务 | ||||
| 项目 | r | 项目 | r | 项目 | r | 项目 | r | 
| A15 | 0.386** | A10 | 0.403** | A1 | 0.473** | A21 | 0.305** | 
| A14 | 0.421** | A11 | 0.397** | A20 | 0.398** | A22 | 0.326** | 
| A16 | 0.418** | A7 | 0.370** | A2 | 0.446** | 
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| A13 | 0.324** | A12 | 0.442** | 
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| A3 | 0.332** | A6 | 0.432** | 
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| A4 | 0.305** | A18 | 0.362** | 
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| A17 | 0.297** | 
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| A19 | 0.362** | 
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