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| 旁系统 (systema lateralis) | |||
| 支渠系统 | |||
| 水上航道浮标系统; 侧墙输水系统 (船闸); 侧标系统; 旁支渠系统; 横向支撑系统 | |||
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lateral system : 25 phrases in 7 subjects |
| Aviation | 1 |
| Bridge construction | 3 |
| Drilling | 1 |
| Electronics | 1 |
| Navigation | 3 |
| Space | 3 |
| Technology | 13 |
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