64seconds4 }' A, v+ R+ M6 A
; A) D) K8 J0 H1 ? O5.39.217.77:88981 to 4 have 3floors = 48 sec
6 Z- P# e$ Q9 btvb now,tvbnow,bttvbavg. 48/3 = 16sec
7 d; N; a+ N8 D0 \# ]( d7 g公仔箱論壇
4 N7 \0 o2 M [# E6 ^4 to 8 have 4floors = 16x4
6 {4 q; D$ W+ ]/ h= 64secs |