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| 技术改造革新 | |||
| 技术改造 | |||
| 技术变革 | |||
| 工艺更新 | |||
| 科学技术进步; 技术变化 | |||
| 工艺变更 | |||
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| 科学技术进步; 技术变化 | |||
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| 科学技术进步 (通过引进新技术以改进工业方法。) | |||
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technological change : 9 phrases in 5 subjects |
| Business | 2 |
| Economy | 2 |
| General | 1 |
| Name of organization | 1 |
| Technology | 3 |
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