Method Multiple factor progress regression analysis was used to find out all clinic-related factors that affected the serum digoxin levels in children during CPB. 方法将可能影响血清地高辛浓度的各种因素进行多因素的逐步回归分析，其结果与临床综合考虑，从而探讨影响地高辛浓度的诸因素。
Based on the quadratic general rotary unitized design, the experiments effected by multiple factors have been made on vibro - fluidized bed spray granulation in this paper. 本文研究了利用二次通用旋转组合设计来进行多因素影响的振动流化床喷雾造粒试验，建立数学模型，得出了具有一定参考价值的最佳操作参数。
