unshared electron
| pairs
| unshared electron abbr. | |
| jewl. | 未共享 电子 |
| Pairs abbr. | |
| textile | 巴黎 |
| pairs abbr. | |
| avia. | 双机组 |
| busin. | 对; 双 |
| earth.sc. | 偶 |
| met. | 双层轧制; 叠轧 |
| tech. | 成双; 并置; 成对 |
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| 未共享价电子 | |||
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| 末共享〔价〕电子 | |||
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unshared electron : 4 phrases in 3 subjects |
| Space | 1 |
| Technology | 2 |
| Water resources | 1 |