\begin{align}\label{time sub-intervals}
[T_{\min},T_{\max}] = & [0.003,0.030) \cup [0.030,0.090) \cup [0.090,0.150) \cup [0.150,0.300) \cup [0.300,0.500) \cup \nonumber \\ & [0.500,0.750) \cup [0.750,1.000) \cup [1.000,1.250) \cup [1.250,1.500) \cup [1.500,2.000) \cup \nonumber \\ & [2.000,2.500],
\end{align}
