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| 初步可行性研究 | |||
| 初步可行性研究 (介于详细可行性研究 (detailed feasibility study) 与项目机会研究 (project opportunity study) 之间) | |||
| 预可行性研究 | |||
| 前期可行性研究 | |||
| 可行性初步研究; 预可行性研究报告 | |||
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prefeasibility study : 3 phrases in 3 subjects |
| Commerce | 1 |
| Hydroelectric power stations | 1 |
| Technology | 1 |
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