hch
2018-09-03 c277a1cdad60d9cd13ea757d3d81c155365aa5e3
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#lostTick Íæ¼Ò±¾´Î´ðÌâËùÓõÄʱ¼ä ºÁÃë
(
   int(max(8,min(24,8+4*(5000 - lostTick)/1000)))
  
)