胎盘胎膜残留
retained placenta
Retained placental fragment
Z传递函数系数
Z transfer function coefficient
差分函数系数自回归(DFAR)模型
differential functional-coefficient autoregressive(DFAR) model
乘数系数单元
multiplier coefficient unit
供应商关系系数
supplier relation coefficient
关于cosχsinχ的幂级数系数
coefficient of trigonometry series
函数系数自回归模型
functional coefficient autoregressive model