驻极体传声器;
Design of heart sound processing analog circuit based on the electret capacitor microphone
基于驻极体电容传声器的心音模拟处理电路的设计
The Breath Sounds Transducer with Electret-Condense Microphone
驻极体电容式呼吸音传感器
The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的.
纳米英语 · 中考英语
纳米英语 · 双语娱乐资讯