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| 互斥方案 | |||
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| 互斥方案 | |||
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| 互斥方案不能同时并存，选定其中一个就不能选定另一个的方案。例如在同一坝址建设的不同规模或不同坝型的方案 | |||
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mutually exclusive alternatives : 4 phrases in 1 subject |
| Economy | 4 |
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