second order equation
常见例句
- The general solution of a kind second order equation is given.
给出一类二阶变系数线性微分方程的通解。 - And experiments proved that the reaction rules of isocyanate and water could be described by the second order equation.
实验证明室温下异氰酸酯与水的反应可以使用准二级方程描述。 - In this paper, the existence of sign-changing solutions to a class of nonlinear second order equation with three-point boundary value problems is discussed.
研究一类非线性二阶方程三点边值问题变号解的存在性。 返回 second order equation