“发现”对于反潜更重要也更难。
"Discovery" is even more important and difficult for anti-submarine.
反潜艇船模型。
对反潜直升机海上搜潜控制系统进行了详细的研究。
A detailed research work had been made on helicopter 's anti-submarine control system.
对反潜直升机海上搜潜控制系统进行了详细的研究。
A detailed research work had been made on helicopter 's anti-submarine control system.
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