64seconds" R1 S$ }3 t5 b9 n! R
tvb now,tvbnow,bttvb& t! D! W5 f4 C. H; Q
1 to 4 have 3floors = 48 sec
1 k/ F% R [7 U, qtvb now,tvbnow,bttvbavg. 48/3 = 16sec
8 F# c' m2 w/ B# X0 |公仔箱論壇3 S. w7 Y3 p" @6 |
4 to 8 have 4floors = 16x4
3 `0 y! D- _3 @3 m+ a公仔箱論壇= 64secs |