reverbn.混响装置；电子回响设备v.混响；产生混响reverberation response curve混响响应曲线reverberation chamber method混响室法reverberation characteristic混响特性reverberation-limited range混响限制距离Reverberation Controlled Gain混响受控增益reverberation time experiments混响室实验reverberation in shallow water浅海混响reverberation-room technique反射室法reverberant steady-state sound混响稳态声reverberation-limited condition混响限制状态