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.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
介绍了显微镜的设计和结构，所用声学聚焦系统、换能器及显微镜的机械微波和电路部分。
The design and construction of the microscope, the acoustic transducer-focusing system, the mechanical microwave and electronic systems are presented.
介绍了显微镜的设计和结构，所用声学聚焦系统、换能器及显微镜的机械微波和电路部分。
The design and construction of the microscope, the acoustic transducer-focusing system, the mechanical microwave and electronic systems are presented.
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