GB/T 34680.2-2021.Evaluation model and general evaluation indicator system for smart cities-Part 2 :Information infrastructure. 1范围 GB/T 34680的本部分规定了智

GB/T 40039-2021.Validation of soil moisture remote sensing products. 1范围 GB/T 40039规定了土壤水分遥感产品真实性检验的基本要求、检验方法和检验报告。 GB/T 40039适用于全球和区域尺度土壤水分遥感产品的真实性检验

GB 50151-2021.Technical standard for foam extinguishing systems. 1总则 1.0.1 为了合理地设计泡沫灭火系统,保障其施工质量和使用功能,减少火灾危害,保护人身和财产安全,制定本标准。 1.0.2 GB 50151适用于新建、改建、扩

GB/T 40091-2021.Requirements for safety measures of relaying protection and security automatic equipment in smart substation. 1范围 GB/T 40091规定了智能变电站继电

GB/T 40090-2021.Code for operation and maintenance of energy storage station. 1范围 GB/T 40090规定了储能电站的正常运行、异常运行及故障处理、维护等过程的技术要求。 GB/T 40090适用于大中型的电化学储能电

GB/T 15000.7-2021.Directives for the work of reference materials-Part 7 : General requirements for the competence of reference material producers. 1范围

GB/T 40034-2021.Validation of leaf area index remote sensing products. 1范围 GB/T 40034规定了叶面积指数遥感产品真实性检验的基本要求、检验方法和检验报告格式。 GB/T 40034适用于叶面积指数遥感产品的真实性检验。

GB/T 40033-2021.Validation of land surface evapotranspiration remote sensing products. 1范围 GB/T 40033规定了地表燕散发遥感产品真实性检验的基本要求、检验方法和检验报告。 GB/T 40033适用于日/

GB/T 36625.4-2021.Smart city-Data fusion-Part 4 :Opening and sharing requirements. 1范围 GB/T 36625的本部分规定了智慧城市数据融合开放共享的基本模式、业务需求、特征和技术要求等。 GB/T 36625.4适

GB/T 33779.3-2021.Guidance for special characteristic of optical fibre-Part 3: Effective area(Aeff). 1范围 GB/T 33779的本部分规定了单模光纤有效面积(Aan)的基准测试方法(RTM)和替代

GB/T 17650.1-2021.Test on gases evolved during combustion of materials from cables or optical fiber cables-Part 1 : Determination of the halogen acid

GB/T 25217.8-2021.Methods for test ,monitoring and prevention of rock burst-Part 8 : Monitoring method of electromagnetic radiation. 1范围 GB/T 25217的本部