of;
Information;
Engineering;
Dalian;
University;
Dalian;
116622,;
P,;
R.;
China;
of;
Control;
Science;
and;
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Dalian;
University;
of;
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Dalian;
116024,;
P.;
R.;
China;
of;
Mathematics;
and;
System;
Sciences;
Chinese;
Academy;
of;
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Beijing;
100080,;
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R.;
China;
连续动态系统; 稳定性分析; 几何理论; 周期解; 化学防治; 稳定性判据; 解的存在性; 经营战略;