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海岸警戒雷达; 海岸飞机搜索雷达网 | |||
English thesaurus | |||
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CH (British radar network circa 1939) |
chain home : 27 phrases in 10 subjects |
Air defense | 3 |
Aviation | 2 |
Earth sciences | 1 |
Electronics | 5 |
General | 8 |
Radio | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 2 |
United Kingdom | 1 |