 |
| |||
| fastness; holdout; rook; schloss; stronghold | |||
| bulwark; defence; fortification; intrenchment; tower | |||
| fortress | |||
| Fortezza | |||
| castle | |||
| bastion; block house; fort; rampart; sconce; strong hold | |||
| |||
| "Bulwark" (号反潜攻击航空母舰(英)，扫雷艇(美)); "Fortress" ([В-17] 轰炸机(美)，轰炸机(英)) | |||
| |||
| vallation | |||
| |||
| citadel | |||
| 堡垒: 46 phrases in 10 subjects |
| Architecture | 3 |
| Chess | 2 |
| Computer networks | 2 |
| Economy | 1 |
| General | 9 |
| Information technology | 1 |
| Military | 3 |
| Project management | 1 |
| Technology | 23 |
| Telecommunications | 1 |