Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
observe =
1.
•Ï
2.
’‡
3.
‰h
4.
ŠÏ
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ