About TAKAHASHI MASAAKI
About TSUKADA TADAO
About HARA SEIICHIRO
About length measuring machine
About lapping
About Measuring methods and instruments of length,area,cross section,volume,angle
About 球極座標
About 球面
About 形状測定
About 研究
About 近傍
About データ処理
About ディジタルフィルタ