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| 计算公式 | |||
| 验方 | |||
| 经验公式 (formula empirica) | |||
| 实验式; 成分式; 实验公式 | |||
| 经验式 | |||
| ★ 经验公式 | |||
| 经验公式 | |||
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| 经验公式 | |||
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empirical formula : 22 phrases in 10 subjects |
| Aviation | 2 |
| Engineering geology | 1 |
| General | 1 |
| Medicine - Alternative medicine | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 11 |
| Wind Energy | 1 |