three fold blockとは 意味・読み方・使い方

The plural integral-multiple building blocks 3 are taken as one set by ten integral-multiple building blocks which are one-fold, two-fold, three-fold, four-fold, five-fold, six-fold, seven-fold, eight-fold, nine-fold and ten-fold of the reference building block 2.例文帳に追加

複数の整数倍積み木（３）は基準積み木（２）の１倍、２倍、３倍、４倍、５倍、６倍、７倍、８倍、９倍、１０倍の１０個の整数倍積み木をもって１セットとすることを特徴とする。 - 特許庁