About IKEDA KIYOHIKO
About 静岡県林技セ
About OMORI SHOJU
About 静岡県林技セ
About ARIMA TAKANORI
About 東大 大学院農学生命科学研究科
About stress wave
About Nature and structure of wood(=timber)
About Propagation of vibrations
About 応力波伝播速度
About 立木
About 材質
About 評価
About スギ
About 精英樹