operational system
| matrix
| operational system | |
| tech. | 运行系统; 操作系统 |
| matrix | |
| agric. tech. | 打捆机; 粘料; 粘接介质; 矩阵粘合材料; 胶接剂 |
| hydroel.st. од. | 矩阵 |
| nucl.phys. | 基料; 封装基料 |
| soil. | 基体 |
| |||
| 运行系统; 操作系统 | |||
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operational system : 186 phrases in 23 subjects |