Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

crowd information

crowd information, Total:5 items.

The international standard classification for "crowd information" includes: Telecommunication terminal equipment in general .

The Chinese standard classification for "crowd information" includes: Communication equipment in general .


Professional Standard - Post and Telecommunication

  • YD/T 1761-2008 Information Accessibility for People With Physical Disabilities Technical REquirements for Web Accessibility
  • YD/T 2065-2009 Information Accessibility Design Guidelines to Information Terminal Equipment for Persons with Physical Disabilities

Group Standards of the People's Republic of China

Jiangsu Provincial Standard of the People's Republic of China

  • DB32/T 3761.51-2021 Part 51 of the Technical Specifications for the Prevention and Control of Novel Coronavirus Pneumonia: Crowd Surveillance

Professional Standard - Environmental Protection

  • HJ 875-2017 Technical guideline for population exposure assessment of environmental pollutant