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периодическая система
| химических элементов
| периодическая система | |
| chem. | 周期系统; 周期系周期系统 |
| химический элемент | |
| gen. | 一种化学元素; 化学电池; 化学元素 |
| environ. | 化学元素 |
| |||
| 周期系统; 周期系周期系统 | |||
| периодическая система: 25 phrases in 8 subjects |
| Audit | 1 |
| Automated equipment | 1 |
| Chemistry | 4 |
| Education | 3 |
| Finances | 3 |
| General | 7 |
| Medical | 1 |
| Technology | 5 |
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