The ratio of movement of the stylus to the cutter is established by the linkages in accordance with {HEAD ~ the ratio} of {TAIL ~ radiation absorption} of the compensating material to the radiation absorption of human tissue 
of
The ratio of movement of the stylus to the cutter is established by the linkages in accordance with { HEAD ~ the ratio } of { TAIL ~ radiation absorption } of the compensating material to the radiation absorption of human tissue
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH