symbolic differential equation符號(hào): character; sign; symbol; mar ...符號(hào)微分方程: symbolic differential equationbernoulli微分方程: bernoulli differential equation差微分方程: difference-differential equation常微分方程: gewoehnliche differentialgleichungen ordinary differential equations; ordinary differentical equations下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯