National Classification of Occupations 1994 (ISTAC: CL_CNO_1994)

The National Classification of Occupations (CNO) is a system for the organization and aggregation of data relating to occupation. It ensures consistency between data collection, tabulation and analysis, becoming a practical instrument for harmonisation and statistical infrastructure.国家职业分类体系（National Classification of Occupations, CNO）是一套用于职业相关数据组织与汇总的分类体系。该体系可保障数据采集、制表及分析各环节的一致性，是实现统计协调统一、构建统计基础设施的实用工具。