comparison: design life EN fatigue and fatigue Strain Life (E-N)

sweetywang

hi,

' M$ k8 H) [5 Z2 Lthe EN fatigue in Design Life Glyphs and the Strain life in Fatigue Glyphs are both based in E-N curve. can anyone explain their differences and how to apply them in real project?
! W+ m; N2 k9 i; K9 j# ]1 V: sthanks a lot.
(ps: reply in chinese will be prefered.)