简略寿命表中nqX表示()A、χ~岁年龄组人口在n年内的生存率B、n岁年龄组人口在χ年内的死亡概率C、χ~岁年龄组人口在n年内的平均死亡率D、已经活到χ岁的尚存者在今后n年内的生存概率E、已经活到χ岁的尚存者在今后n年内的死亡概率

简略寿命表中nqX表示()

  • A、χ~岁年龄组人口在n年内的生存率
  • B、n岁年龄组人口在χ年内的死亡概率
  • C、χ~岁年龄组人口在n年内的平均死亡率
  • D、已经活到χ岁的尚存者在今后n年内的生存概率
  • E、已经活到χ岁的尚存者在今后n年内的死亡概率

相关考题:

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有以下程序int sub(int n){ return(n%10+n/10); }main(){ int x,y; scanf("%d",x); y=sub(sub(x)); printf("%d\n",y);}若运行时输入:248回车,程序的输出结果是

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