但是制造一个换能器需要利用微机械技术，在一块质地脆硬的陶瓷材料上精心加工，耗费数个小时才能完成。
To make a transducer by painstakingly micro-machining a brittle block of ceramic material can take many hours of work, though.
具有不同机械阻抗匹配器，为换能器提供了双调谐的特性。
The different mechanical impedance of matching means provide the double-tuned resonance characteristic to the transducers.
超磁致伸缩换能器是利用超磁致伸缩材料将电磁能转化为机械振动的一种机械装置。
The giant magnetostrictive transducer, using a giant magnetostrictive material as a main element, can transform electromagnetic energy into mechanical energy.
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