Effect of temperature on development, survival, reproduction, population parameter and population trend index of Spodoptera litura (Fabricius) were studied.
研究了温度对斜纹夜蛾的发育、存活、生殖、种群参数和种群趋势指数的影响。
Parameters of the dynamic statistical model are the time-varying parameters, variation of parameter reflects the variable trend of seepage.
动态模型的统计参数是随时间变化的时变参数，参数的变化反映了大坝的渗流变化趋势。
Based on this model, parameter variety trend is forecasted on-line for a short-term, and the system short-term running condition analysis with accurate alarm is resolved.
基于模糊模型进行在线短期预报测量参数的变化趋势，解决了系统的短期运行状态分析和准确报警问题。
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