The invention also presents {HEAD ~ a novel optical recording/reproducing apparatus} and {TAIL ~ optical recording/reproducing method} 
The invention also presents { HEAD ~ a novel optical recording / reproducing apparatus } and { TAIL ~ optical recording / reproducing method }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL