【摘 要】
：
We develop a family of second-order semi-implicit time integration methods for systems of ordinary differential equations(ODEs)with stiff damping term,which is capable of exactly preserving the steady
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We develop a family of second-order semi-implicit time integration methods for systems of ordinary differential equations(ODEs)with stiff damping term,which is capable of exactly preserving the steady states and maintaining the sign of the computed solution.
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