About KUWAHARA SHIN'YA
About 海上保安大
About OIMATSU KENSEI
About 海上保安大
About KURAMOTO KAZUOKI
About 海上保安大
About YAMAGUCHI SHIZUMA
About 海洋音響学会誌
About underwater acoustics
About Propagation of sound waves
About 水中
About 聴覚
About 純音
About マスキング効果