GB/T 20484-2006
AbolishedGrading of cold air
冷空气等级
Application Summary AI generated
GB/T 20484-2006 defines the classification criteria for cold air events based on temperature drop range and duration. It is applied in meteorology and weather forecasting across China to standardize the grading of cold air masses, enabling consistent warnings and impact assessments for agriculture, transportation, and public safety.
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