About SHIMODA HIROKAZU
About OKAMOTO FUMIAKI
About JR東日本
About OMATA JUN'ICHIRO
About 精密工学会誌
About piezoelectric vibration
About Building equipment in general
About Piping design and work
About 圧電アクチュエータ
About 能動制御
About 防振器
About 配管
About 地震応答