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。
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。
应用推荐