 In this case, the timing degree {\cal T}_d of CR becomes good due to presence of  ill-matched spiking group which plays a role of protection barrier for the timing.
<fluency>  In this case, the timing degree {\cal T}_d of CR becomes good due to presence of  ill-matched spiking group which plays a role of protection barrier for the timing.
 In this case, the timing degree {\cal T}_d of CR becomes good due to presence of the ill-matched spiking group which plays a role of protection barrier for the timing.