经济学人美国潜艇在海底称霸，但中国的潜艇正在迎头赶上 | 🔔科技频道[奇诺分享-ccino.org]⚡️

经济学人
美国潜艇在海底称霸，但中国的潜艇正在迎头赶上

American subs rule beneath the waves, but China’s are catching up

American subs rule beneath the waves, but China’s are catching up

And underwater drones may supplant them all

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