变分公式formula: n. (pl. formulas, -lae ) 1.公 ...variational: 变化的; 变化性的; 变量的; 变异的; 起自变动的variational calculus: 变分学variational completeness: 变分完备性variational curve: 变分曲线下载手机词典可随时随地查词查翻译