xdh
2018-09-21 1cf3706f5b9b9f7b34867e4a8e82459e1c3aed0e
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#lostTick Íæ¼Ò±¾´Î´ðÌâËùÓõÄʱ¼ä ºÁÃë
(
   int(max(5,min(25,(18*(10 * 1000 -  lostTick)/1000)/5)))
  
)