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JJF 1180-2007 Active
JJF 1180-2007 Glossary and Definition of Time and Frequency Metrology
Abstract
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.
General Product Information
| Document Type | National Metrology Technical Specifications JJF |
|---|---|
| Standard Status | Active |
| Standard Code | JJF 1180-2007 |
| Implement Date | 2007-09-14 |
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