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echo-ranging | |||
echolocation | |||
echo ranging | |||
echo location | |||
echo location (法) |
回声定 位: 11 phrases in 7 subjects |
Architecture | 1 |
Artificial intelligence | 1 |
Aviation | 1 |
Computer numerical control | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Oil / petroleum | 3 |
Technology | 3 |