A primary object of the present invention is to prevent {HEAD ~ reduced augmentor efficiency} with {TAIL ~ increased bypass ratios} 
with
A primary object of the present invention is to prevent { HEAD ~ reduced augmentor efficiency } with { TAIL ~ increased bypass ratios }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL