Even if there is {HEAD ~ a change} in {TAIL ~ delay amount} due to the variation in environment, appropriate delay processing can be conducted by the delay processing part 
in
Even if there is { HEAD ~ a change } in { TAIL ~ delay amount } due to the variation in environment , appropriate delay processing can be conducted by the delay processing part
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH