“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
open (transitive) =
1.
‚Æ‚é
2.
‚ ‚炤
3.
‚ ‚¯‚é
4.
‚©‚·
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ