的: 4次方是 The fourth power of 2 i ...极限: the limit; the maximum; the ...环: ring; hoop一类生化反应系统微分方程模型的极限环: limit cycles in a class of biochemistry reaction systems一类平面二次方程的极限环存在性: the existence of limit cycles for a class of planar quadratic equations微分方程的阶: order of a differential equation; order of differential equation一类非线性微分方程极限环的存在性: the existence of limit cycles of some non-linear differential equations微分方程的伴随系: adjoint system of differential equations微分方程的次数: degree of differential equation微分方程的积分: integral of a differential equation常微分方程的初值问题: initial value problem of ordinary differential equation偏微分方程的超定组: overdetermined system of partial differential equations偏微分方程的积分法: method of integration of partial differential equations常微分方程与泛函微分方程的稳定解与周期解: stability and periodic solutions of ordinarybernoulli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低微分方程: harmonic differential equation拟微分方程: quasi differential equation偏微分方程: partial differential equation; partialdifferentialequation全微分方程: exact differential equation; total differential equation微分-差分方程: differential-difference equation微分方程: differential eguation; differential equations; differentiating equation; differentsialnye uravneiya; diffuse equation微分方程论: theory of differential equations微分方程式: differential equation