组建了以作用因子为组分的夏季自然种群生命表,并运用排除作用控制指数法分析了各种因子对假茎象甲自然种群的作用。
The active factor life tables of BPW natural population were constructed. The controlling effect of active factors was evaluated by using exclusion index of population control (EIPC).
结果运用层次分析加权法求出总指数,分析和评价医院的社会及经济效益情况。
Results the hierachical analysis weighted method was used to determine the total index, to analyse and evaluate the social and economic benefits of a hospital.
由历史数据推测未来趋势的众多方法中较突出的有:时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
Prominent among the various techniques that can help to extrapolate past date into future trends are the following:time series, least squares method, exponential smoothing, regression and correlation.
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