communications system control | element
| element abbr. | |
| gen. | 素; 元; 环节; 细胞; 晶胞 |
| gymn. | 单独动作; 单个动作 |
| hydroel.st. | 成分; 原理 |
| hydroel.st. од. | 元素 |
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| CSC | |||
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communications system control : 87 phrases in 18 subjects |