Home / Standards / GB/T 33867-2017 GB/T 33867-2017 Active Measurement for photosynthetic active radiation—Hemispherical radiometer method 光合有效辐射测量 半球向辐射表法 Standard Type GBT ICS 07.060 CCS A47 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 中国气象局 Drafting Unit N/A