accumulation function造句

• Have accumulation function only one channel accumulation
  有累积功能通讯功能
• Have accumulation function communication function
  有累积功能
• No accumulation function
  无累积功能
• In chapter2, we establish the model of present value of benefits, which is fitted to two situations-single life situations and multiple life situation : where b ( t ) is a positive function, is force of interest accumulation function, i ( t ) is indicator function and t is the remaining life of the insured
  第2章提出了具有一般形式的变额寿险的给付现值模型，适合于单生命状态和多生命状态两种情形：其中b(t)为正值函数，y(t)=t+?y(t)为息力累积函数，i(t)为示性函数。t为被保险人的余寿。