您要查找的是不是：
- I bought an amplifier yesterday. 我昨天买了一个扩音器。
- Musics rhythm enclose by earphone. 音乐的韵律从耳机里渗入。
- We are going to buy blue tooth earphone. 采购蓝牙耳机。
- I bought a earphone from china and it broken. 我买一个耳机是坏的。
- She told me where to find the earphone. 她告诉我什么地方可以找到耳机。
- A gradual change in the output of a circuit or amplifier. 逐渐改变电路或放大器输出功率的逐渐改变
- Max: [Pulls back an earphone] Pardon me? 麦克斯：（拿下一边耳机）你说什麽?
- Would you like a earphone for the movie and music? 要不要看电影和听音乐的耳机?
- An earphone, especially one that fits into the ear. 耳塞耳机，尤指塞入耳中的那一种
- Output from the inverting oscillator amplifier. 内部反向振荡放大器的输出。
- Could you tell me how to use the earphone? 你能告诉我如何使用耳机吗？
- With stereo good quality earphone. 附送高保真立体声耳机；
- Supports devices only if it has earphone. 只支持耳机设备。
- Fittings include Blooth earphone,for speaker. 免提配件带有耳机，供免提时使用手机。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- REPAIR THE OPEN AMPLIFIER GROUND CIRCUIT. 维修断路的扩大器接地电路。
- The amplifier exploded in a fountain of sparks. 放大器爆炸，喷射出火星。
- WHAT IS AN INSTRUMENTATION AMPLIFIER? 什么是仪表放大器?
- WHERE IS AN INSTRUMENTATION AMPLIFIER USED? 仪表放大器的使用场合?
- Design of Multistage Power Amplifier in Ku Band. Ku波段多级功率放大器的研制。
