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