About MURAMATSU YUSUKE
About WAKATSUKI NAOTO
About 筑波大 システム情報系
About MIZUTANI KOICHI
About 筑波大 システム情報系
About 音楽音響研究会資料
About musical instrument
About feeling(psychology)
About feedback
About air volume
About flow control(process)
About straight pipe
About taper machining
About brass instrument
About air flow rate
About wind instrument
About resistance
About Acoustics of music and musical instruments
About 金管楽器
About 管