二元: binary; dual; dualistic二: two元: first; primary线性方程: linear equation二元一次方程: linear equation in two unknowns二元线性方程: linear equation in two unknowns二元一次方程式: first degree in two variable equation线性方程；一次方程: linear equation二元二次方程: quadric equation in two variables一元一次方程式: simple equation解一元线性方程: solving simultaneous equation二元线性代换: binary linear substitution一次方程: equation of the first degree; equationofthefirstdegree; first order equation; first-order equation; linear equation; simple equation一次方程式: simple equation二元方程: equation in two unknowns二元方程式: binary equation非线性方程: non linear equation; nonlinear equation拟线性方程: quasi linear equation; quasilinear equation线性方程解: linear equation solution线性方程式: linear equation线性方程组: a system of simultaneous linear equations; lineares gleichungssystem linear system of equations; system of linear equations; set of linear equation; solving linear equations; system of linear equations准线性方程: quasi linear equation; quasilinear equation一次方程 一次方程式 一元方程: simpleequation一阶方程, 一次方程: first-order equation【化学】一次方程式。: simple equation
