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第32行： − 一般地，当闭式解不存在时，可以用计算机进行近似计算方程的解。动力系统理论着重于对由微分方程描述的系统进行定性分析，与此同时也已经发展了许多数值方法来计算给定精度下微分方程的解。+
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Often when a closed-form expression for the solutions is not available, solutions may be approximated numerically using computers. The theory of dynamical systems puts emphasis on qualitative analysis of systems described by differential equations, while many numerical methods have been developed to determine solutions with a given degree of accuracy.
Often when a closed-form expression for the solutions is not available, solutions may be approximated numerically using computers. The theory of dynamical systems puts emphasis on qualitative analysis of systems described by differential equations, while many numerical methods have been developed to determine solutions with a given degree of accuracy.
一般地，当闭式解不存在时，可以用计算机求方程的近似解。动力系统理论着重于对由微分方程描述的系统进行定性分析。同时，现在已经得出了许多数值方法来计算给定精度下微分方程的解。