(1)直角三角形の斜辺に対する隣辺の比
(2)ratio of the adjacent side to the hypotenuse of a right-angled triangle
さらに詳しく
(1)3つ以上の同時に鳴る楽音の組合せ
(2)a combination of three or more notes that blend harmoniously when sounded together
(1)射手の弓の弦
(2)the string of an archer's bow
