Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
theory =
1.
•±
2.
3.
˜_
4.
œ
ƒŒƒxƒ‹6.
•ÏX
SDAL“‡‰pŒêŠwZ