可用率因數(英语:Availability factor) 容量因數 需求因數(英语:Demand factor) 參差因數(英语:Diversityfactor) 利用因數(英语:Utilization factor) Watkins, G. P. A Third Factor in the Variation
et al. Differential processing of stromal-derived factor-1alpha and beta explains functional diversity. Blood 103:2452-2459, 2004. Bleul et al. A highly