| 摘要 |
A computer program product is provided for use with a computer system to execute a simulation. The computer program product includes a plurality of service computer-readable program code means. The service program code means are configured to collectively determine simulated attributes of objects of an environment under simulated operation. Each service program code means is associated with at least a subset of object attributes in an object context. At least some of the service program code means include attribute accessing computer-readable program code means coupling the service program code means to the attributes in the object context for intercommunication therebetween and for operating upon the object attributes. The intercommunication is based on identifications of the attributes by the service programs that are recognizable by the object context. Mapping computer-readable program code means couple the at least some of the service programs to the object context, for mapping a user-expressed attribute name, not recognizable by the object context, to the identification of the attributes recognizable by the object context.
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