National;
Laboratory;
of;
Acoustics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
National;
Laboratory;
of;
Acoustics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
National;
Laboratory;
of;
Acoustics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
National;
Laboratory;
of;
Acoustics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
reverberation,; oscillation,; normal; mode; interference,; inversion.;