About ARATAKE SHIRO
About 宮崎県工試
About ARIMA TAKANORI
About SAKODA TADAYOSHI
About 宮崎県工試
About NAKAMURA YASUHIKO
About natural frequency
About Nature and structure of wood(=timber)
About 丸太
About 固有振動数
About 製材品
About MOE
About 推定
About スギ