GB/T 2423.35-2019
Environmental testing—Part 2:Tests and guidance—Combined climatic(temperature/humidity)and dynamic(vibration/shock) tests 环境试验 第2部分:试验和导则 气候(温度、湿度)和动力学(振动、冲击)综合试验 |
GB/T 37490-2019
Project, programme and portfolio management—Guidance on portfolio management 项目、项目群和项目组合管理 项目组合管理指南 |
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