According to the present invention, {HEAD ~ particle configuration} is represented in {TAIL ~ terms} of a coefficient of particle configuration 
is represented in
According to the present invention , { HEAD ~ particle configuration } is represented in { TAIL ~ terms } of a coefficient of particle configuration
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH