音调衰减试验,音衰变试验,音衰试验的英文

tone decay test

• 音调:    tone; tune; pitch; ...
• 衰减:    attenuation; decay ...
• 试验:    experiment; test; ...
• 音:    sound
• 衰变:    decay; disintegrat ...
• 衰:    decline; wane