{HEAD ~ Only those aspects} of the second embodiment which differ in {TAIL ~ structure} from those on the first embodiment will be described in the second embodiment 
differ in
{ HEAD ~ Only those aspects } of the second embodiment which differ in { TAIL ~ structure } from those on the first embodiment will be described in the second embodiment
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH