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  • ISO/IEC 17991-2021 信息技术--办公室设备--数据扫描设备生产力数据的测量方法 Information technology — Off...2024-01-03
  • GB/T 21203-2018 信息技术 办公设备 数字式复印机复印生产力的测量方法 Information technology—Office equip...2023-08-26
  • GB/T 38098-2019 废弃电器电子产品拆解处理资源产出率评价方法 Evaluation methodology of disassembly resource pr...2023-08-24
  • GB/T 40958-2021企业生产力评价规范Evaluation specifications of enterprise productivity2022-03-14
  • Scenario analysis of low carbon development in Tianjin, China2020-12-06
  • Simulating the vegetation-producing process in small watersheds in the Loess Plateau of China2020-11-22
  • Effects of soil and water conservation and its interactions with soil properties on soil productivit2020-07-08
  • Water-Saving and High-Yielding Irrigation for Lowland Rice by Controlling Limiting Values of Soil Wa2020-07-08
  • Determination of coal mine mechanization using fuzzy logic2020-06-12
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