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挪威专家创造出一种仪器,利用这种仪器可以及时知道发生沉船事故,并能寻找遇险的人。这种仪器安装在船舶的甲板上,当甲板刚刚被水浸没两米多深
Norwegian experts have created a device that can be used to discover shipwreck incidents and to find people in distress. This instrument is mounted on the deck of a ship when the deck has just been immersed in water for more than two meters