Listening practice: How a cable can find a silent whale
High School English Listening Practice.
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High School English Listening Practice.
seabed:海床,海底fiber-optic cable:光纤电缆distributed acoustic sensing:分布式声学传感hydrodynamic:流体动力学的,与水流和压力有关的pressure field:压力场strain:应变,材料受到作用后的微小形变displace:挤开、使某物移动位置vocalize:发声,发出叫声hydrophone:水听器,水下麦克风detect:探测、发现estimate:估计infrastructure:基础设施If researchers can use an unused fiber, the same infrastructure might become a long-term observing network.the same infrastructure might become a long-term observing network,意思是「同一套基础设施可能成为长期观测网络」。句首的 If researchers can use an unused fiber 是条件从句,说明这个设想成立的前提。might become 表示可能性,不是已经实现的事实。nature.com
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