64seconds
$ l. a5 J: [& t# I& d: b4 l+ q
$ e# c5 `4 p: I* v' E- i2 {# n& F公仔箱論壇1 to 4 have 3floors = 48 sec公仔箱論壇. {# J- M' a# r; `8 L6 F: R
avg. 48/3 = 16sec
- m X" Y+ w9 {# t5.39.217.77
; Q, F( i3 Y% B4 {( Q4 S) }2 n公仔箱論壇4 to 8 have 4floors = 16x4
5 Q0 I9 l8 I7 b/ H; `tvb now,tvbnow,bttvb= 64secs |