地球静止轨道处能量2 MeV以上的电子 日积分强度分级 Classification for daily integrated intensity of electrons with energy above 2 MeV at geostationary orbit  ICS  07.060 CCS  A 47   中华人民共和国国家标准 GB/T 45560—2025 2025-04-2 5发布 2025-08-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     强度分级   ······························································································   1 参考文献   ··································································································   2 GB/T 45560—2025     Ⅰ