General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 31157-2014
Scope
This standard specifies the classification of solar soft X-ray flare intensity. This standard applies to the monitoring and early warning of solar soft X-ray flares.
GB/T 31157-2014 history
2014GB/T 31157-2014 Classification for the intensity of solar soft X-ray flare