About TSUCHIYA TOSHIO
About GOTO SHIMPEI
About HIRAI YUKINO
About 超音波Techno
About ultrasonic wave
About Sound
About measurement
About crustal structure
About vibratory equipment
About sound source
About underwater propagation
About marine animal
About sea bed
About research ship
About simulation
About acoustic wave propagation
About guiding principle
About wave motion
About management area
About environmental impact
About area under surveillance
About high power output
About great depth
About long distance
About Marine mammal
About airgun shot
About Sea Mammals
About Excitation and generation of sounds
About Geological structure and tectonics
About 超音波
About 音響
About 計測
About 進化
About 応用
About 地殻構造
About 探査
About MCS
About エアガン
About 音源
About 海中
About 伝搬
About 高出力
About 遊泳
About 海
About ほ乳動物