radio broadcast amplifying device 无线广播扩音装置
wire-broadcasting sound amplifying device 有线广播扩音装置
power amplifying device 功率放大器件
broadcasting sound amplifying device 有线广播扩音装置
amplifying device amplifying equipment 放大装置
sensitivity of fuse amplifying device 非触发引信放大装置
image-amplifying device 图像增强器
With an amplifying device like a microphone, the speaker can use a natural tone.
有了麦克风之类的扩音装置，演讲者就可以使用自然的音调。
The utility model relates to a double-way pumping source pulse optical parameter oscillating amplifying device.
本实用新型涉及一种双向泵浦脉冲光参量振荡放大装置。
The second amplifying device is connected to the summing node via an output matching circuit and a second impedance transformer containing a transmission line.
所述第二放大装置经由 输出匹配电路以及包含传输线的第二阻抗变换器连接到所述求和结 点。
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