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GB/T 16656.49-2003工业自动化系统与集成产品数据表达与交换第49部分;集成通用资源: 工艺过程结构和特性Iudustria...2022-06-06

GB/T 2659-2000世界各国和地区名称代码Codes for the representation of names of countries and regions...2022-06-06

Fitting function representation for strain fields and its application to the optimizing process2020-11-22