{HEAD ~ control} means for controlling a first torque corresponding to 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 {TAIL ~ the second power source}, 
{ HEAD ~ control } means for controlling a first torque corresponding to 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 { TAIL ~ the second power source } ,
HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH