{HEAD ~ An operation method} of a fuel cell system mounted on {TAIL ~ a moving object} 3, the method comprising the steps of: 
{ HEAD ~ An operation method } of a fuel cell system mounted on { TAIL ~ a moving object } 3 , the method comprising the steps of :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH