control means for controlling {HEAD ~ a first torque} corresponding to {TAIL ~ a driving torque} for the output shaft of the first power source and a second torque corresponding to a driving torque for the output shaft of the second power source, 
corresponding to
control means for controlling { HEAD ~ a first torque } corresponding to { TAIL ~ a driving torque } for the output shaft of the first power source and a second torque corresponding to a driving torque for the output shaft of the second power source ,
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH