Therefore, the line concentrator of the present invention can be applied to {HEAD ~ an information processing system} for {TAIL ~ efficiently executing process} of data 
for
Therefore , the line concentrator of the present invention can be applied to { HEAD ~ an information processing system } for { TAIL ~ efficiently executing process } of data
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH