1
alias mars.origin = identificationOfOriginatingGeneratingCentre;
2
alias mars.number = perturbationNumber;
4
meta forecastperiod g1fcperiod(P1,P2,timeRangeIndicator,indicatorOfUnitOfTimeRange) : no_copy;
5
alias mars.fcperiod = forecastperiod;
7
alias mars.system = systemNumber;
8
alias mars.method = methodNumber;