General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 22022-2008
Scope
This standard defines the concept of describing the temporal characteristics of geographic information. This standard is based on the existing information technology standards for temporal information exchange, and provides the basis for defining temporal element attributes, element operations, element associations, and metadata for defining temporal characteristics of geographic information. This standard mainly considers the temporal characteristics of geographic information abstracted from the real world, and it emphasizes effective time rather than transaction processing time.
GB/T 22022-2008 Referenced Document
GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units