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