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| 1. | Gold is a rare metal. |
| 金子是贵重金属。 |
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| 2. | rare-metal couple |
| 稀有金属温差电偶 |
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| 3. | metallurgy of rare metal |
| 稀有金属冶金 |
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| 4. | rare metal metallurgy |
| 稀有金属冶金学 |
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| 5. | The paper also introduces the ingredients of some typical nobel metal- rare earth metal catalyst. |
| 给出了几种典型贵金属－土金属催化剂的配方。 |
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| 6. | rare scattered metal |
| 稀有分散金属 |
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| 7. | technology of industrial rare metal |
| 工业稀有金属工艺学 |
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| 8. | light rare metal |
| 轻稀有金属 |
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| 9. | radioactive rare metal |
| 放射性稀有金属 |
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| 10. | rare soft metal |
| 稀有软质金属 |
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