能否解释一下在线的计时方式

虎吼西风

我很在意我在线的时间，我注意到只有我发帖的时候才给我计时

天豕爱美丽

是呀，羊兄，到底怎么算的，我泡了一天，也不给我点银子！

华胥

灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水灌灌灌灌灌  (*)#$@&%#*K:JFD:L()$
灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水水水水水灌灌灌灌  #(_@s4fK:JFD:L
灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水水水水水水水水水水水灌灌灌灌  %#*(我)$K:JFD:L(
灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水水水水水水水水水水水灌灌灌灌灌灌  ckjluK:JFD
8 W4 _2 o1 P. _2 M7 q灌灌灌灌灌灌灌灌灌灌灌水水水水灌水水水水水水水水水水水灌灌灌灌灌灌灌灌灌灌  a21fd3s1K:JFD:L(
# F; ^" x) x" _- w/ g; I/ f灌灌灌灌灌灌灌灌水水水水水水水灌水水水灌灌水水水水水灌灌灌灌灌灌灌灌灌灌灌  *$#什21f3dsaK:JFD:L()$#_
: |1 ^1 r% ^' J3 v灌灌灌水水水水水水水水水水水水灌灌灌灌灌灌水水水水灌灌灌灌灌灌灌灌灌灌灌灌  (么$*@#(_@s4K:JFD:L()$#_
; [2 H5 Z. q* I6 X灌水水水水水水水水水水水水水水灌灌灌灌灌灌水水水水灌灌灌灌灌灌灌灌灌灌灌灌  45%#(么$*@#(K:JFD:L()$#_
  Z1 P5 K& w9 A' ?灌水水水水水水水水水水水水灌灌灌灌灌灌灌水水水水水水水水水水水灌灌灌灌灌灌  poej道h$K:JFD:L(
灌水水水水水水水水水水水水灌灌灌灌灌灌水水水水水水水水水水水水水水灌灌灌灌  1%$#(*$#蔏:JFD:L()
灌灌水水水水水水水水水水灌灌灌灌灌水水水水水水灌灌灌水水水水水水水灌灌灌灌  *($(臟:JFD
9 s+ c3 m3 F( E% m. m# x灌灌灌灌灌灌灌灌水水水水灌灌灌灌灌水水水水灌灌灌灌灌灌水水水水水灌灌灌灌灌  
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌灌水水灌灌灌水水水水水灌灌灌灌灌  fd3s1fd知1fK:JFD:L()$#
2 z) m. q+ l0 m3 q! w灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌灌水水水水灌水水水水水灌灌灌灌灌  3ds也f12dsK:JFD:L()$
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌灌水水水水灌水水水水水灌灌灌灌灌  545%#(么K:JFD:L(
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌灌水水水灌灌水水水水水灌灌灌灌灌  vmmvckjluK:JFD:L()
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌灌水水水灌灌水水水水水灌灌灌灌灌  ?fkjhfjouiK:JFD:L()$#
! ?# Z: I% l  j2 f# _* w( r灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌水水水水灌灌水水水水水灌灌灌灌灌  re432K:JFD
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌水水水水灌灌水水水水水灌灌灌灌灌  kcvmmvckjluK:JFD:L()$#
- L: Q2 U3 l8 u; ]1 f9 C& O% {1 I& B灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌水水水水灌灌水水水水水灌灌灌灌灌  %#(么$*@#(_@K:JFD:L()$#_
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水水灌水水水水灌灌水水水水水灌灌灌灌灌  45%#(么$*@#K:JFD:L()$#
灌灌灌灌灌灌灌灌水水水水灌灌灌灌水水水灌灌水水水水灌灌水水水水水灌灌灌灌灌  娱乐eK:JFD
灌灌水水灌灌灌水水水水水灌灌灌灌水水水灌灌水水水灌灌灌水水水水水灌灌灌灌灌  
灌灌水水水水水水水水水水灌灌灌灌灌水水灌灌水水灌灌灌灌水水水水水灌灌灌灌灌  #(*)#$@K:JFD:L
- n5 T: e- g3 a灌灌灌水水水水水水水水水灌灌灌灌灌灌灌灌水水水灌灌灌灌水水水水灌灌灌灌灌灌  
/ @1 _* s& t4 |9 {$ n灌灌灌灌灌水水水水水水水灌灌灌灌灌灌灌灌水水水灌水水水水灌灌灌灌灌灌灌灌灌  vckjlur覭:JFD:L(
灌灌灌灌灌灌水水水水水水灌灌灌灌灌灌灌水水水水灌灌水水水水灌灌灌灌灌灌灌灌  ($(哦*K:JFD:
0 \) c: {& `! O9 K/ ?7 z灌灌灌灌灌灌灌灌灌水水水灌灌灌灌灌灌水水水水水灌灌灌水水水水水水水灌灌灌灌  ierpoej道K:JFD:L()
  X. Y+ A0 l8 A% C- k灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水水灌灌灌灌灌水水水水水水灌灌灌灌  ds不21fdK:JFD:L(
灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水水灌灌灌灌灌灌水水水水水水水灌灌灌  槔謊wioK:JFD:L()$
3 I) `. _  U+ h0 ]8 f. V; U灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水灌灌灌灌灌灌灌灌灌水水水水水水灌灌灌  
) d& @& m2 H3 y& X; V9 a+ G: X6 ?灌灌灌灌灌灌灌灌灌灌灌灌灌水水水水水灌灌灌灌灌灌灌灌灌灌灌水水水水灌灌灌灌  
灌灌灌灌灌灌灌灌灌灌灌灌水水水灌灌灌灌灌灌灌灌灌灌灌灌灌灌灌水水水灌灌灌灌