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

sweetywang

hi,
0 E- ~  m6 o0 N; s4 w
the 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?
' G. P" {$ }1 F; J7 mthanks a lot.
6 y3 l' L" H/ b$ y, v9 l(ps: reply in chinese will be prefered.)