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| 管理改善运动 | |||
| 经营改善运动 | |||
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management improvement : 13 phrases in 7 subjects |
| Aviation | 5 |
| Business | 2 |
| Earth sciences | 1 |
| Economy | 2 |
| Environment | 1 |
| Management | 1 |
| Name of organization | 1 |
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