Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
interval =
1. •ª
2. “÷
3. ŠÔ
4. ‹A

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ