DZ/T 0101.12-1994
Active
JJF 1180-2007
Active
National Metrology Technical Specifications JJF
JJF 1180-2007 Glossary and Definition of Time and Frequency Metrology
JJF 1180-2007 Glossary and Definition of Time and Frequency Metrology
Basic Information
Standard Code:
JJF 1180-2007
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2007-06-14
Implement Date:
2007-09-14
Pages:
18 pages
Scope
It's a shorthand for time coordinates, also known as a time scale. Select a basic unit of time (second) and accumulate it from a specific starting point. The points on the time scale represent moments: year, month, day, hour, minute, second. The difference between two points represents a time interval, such as: several hours, several minutes, several seconds.
Development Information
Superseded by the following standards
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