一、标准体系的分级根据《中华人民共和国标准化法》,标准分为以下4级:国家标准National standards国家标准是指由国家标准化主管机构批准发布,对全国经济、技术发展有重大意义,且在全国范围内统一的标准。国家标准是在全国范围内统一的技术要求,由国务院标准化行政主管部门编制计划,协调项目分工,组织制定(含修订),统一审批、编号、发布。法律对国家标准的制定另有规定的,依照法律的规定执行。国家标准的年限一般为5年,过了年限后,国家标准就要被修订或重新制定。此外,随着社会的 First, the classification of the standard system According to the “People’s Republic of China Standardization Law,” the standard is divided into the following four levels: National standards refers to the national standard by the competent authorities approved the release of the country’s economic and technological development of great significance, and in A unified national standards. National standards are uniform technical requirements across the country by the State Council standardization department in charge of planning preparation, coordination of project division, the development of organizations (including revision), unified examination and approval, number, release. Where the law provides otherwise for the formulation of national standards, it shall be implemented in accordance with the provisions of the law. National standards generally 5 years of age, after a number of years, the national standards will be revised or re-enacted. In addition, with the social