計時動作 "I" Subscript, "t" "e" "r" , Baseline , "t" to "t" plus .2 , "f" Subscript, "p" "s" , Baseline to StartFraction, 1 Over 10 , EndFraction round left parenthesis, StartFraction, 10 to the 4th power Over , EndFraction , right parenthesisIter,t→t+.2,fps→110round104dt
