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IEC TR 63017-2015 柔性印刷電路板(FPCBs) 阻抗變化補償試驗 Flexible printed circuit boards (FPCBs) - Method of...2023-10-15

GB/T 15596-2021塑料在玻璃過濾后太陽輻射、自然氣候或?qū)嶒炇逸椛湓幢┞逗箢伾托阅茏兓臏y定Plastics. Determin...2022-03-18

GB/T 15055-2021沖壓件未注公差尺寸極限偏差Permissible stamping variations in dimensions without tolerance ind...2022-03-14

河南省碳排放的時空變化研究2020-11-03

Multivariate analysis of surface water quality in the Three Gorges area of China and implications fo2020-07-08

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