常用短語

biological concentration factor生物濃集因素；生物學濃度因數；生物濃縮系數

strain concentration factor應變集中因子

effective stress concentration factor有效應力集中系數

theoretical stress concentration factor理論應力集中系數

mass concentration factor質量濃度系數

gross stress concentration factor總應力集中系數

Fatigue stress concentration factor稱為理論應力集中系數；疲勞應力集中系數

Affect concentration factor影響集中度的因素

high brightness concentration factor高亮度聚光因子；高亮度聚因子