Home / Standards / GB/T 33666-2017 GB/T 33666-2017 Active Identification method for El Nino/La Nina events 厄尔尼诺/拉尼娜事件判别方法 Standard Type GBT ICS 07.060 CCS A47 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国气象局 Drafting Unit N/A