因为声音呈波形在飞机构造中传播，它在不同的时间到达不同的传感器，这点能用来算出裂纹的位置和严重程度。
As the sound ripples through the structure it arrives at different sensors at different times, which can be used to work out the location and severity of the crack.
美国海军的长期目标是分布式的无线传感器网络与射频身份识别（RFID）同时部署，从而提供关于整个飞机构造的大量信息。
The U. S. Navy's long-term vision is to deploy distributed wireless sensor networks along with RFIDs to provide a wealth of information about an entire aircraft structure.
美国海军的长期目标是分布式的无线传感器网络与射频身份识别（RFID）同时部署，从而提供关于整个飞机构造的大量信息。
The U. S. Navy's long-term vision is to deploy distributed wireless sensor networks along with RFIDs to provide a wealth of information about an entire aircraft structure.
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