倍数 ばいすう比例 ひれい法則 ほうそくだったら
bai sū hireino hōsokudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 倍数比例の法則

1. If/when the law of proportional ratios…; If the law of proportional ratios were…

Tara Conditional