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简要介绍了 GB/T 20975—2008的修订原则和标准结构,重点介绍了标准的主要修订内容及修订依据。阐述了新标准的特点和创新点。
The revision principle and standard structure of GB / T 20975-2008 are briefly introduced. The main revision content and revision basis of the standard are introduced emphatically. Expounds the characteristics and innovation of the new standard.