About YANG X
About AMANO TAKURO
About ISHIMARU YUTAKA
About IIDA IKUHO
About property of wood
About Nature and structure of wood(=timber)
About Nondestructive testing
About 材木
About 非破壊評価
About 伝達関数
About モード解析
About たわみ
About 振動波形
About 曲率
About 弾性率
About 評価