标准下载链接：
https://openstd.samr.gov.cn/bzgk/std/newGbInfo?hcno=BB05482DBB00627FEA316361F0D31EA3
https://cc.sacinfo.org.cn/course?id=8a6dd87195662f6d0196d30727e94f14
标准下载链接：
https://openstd.samr.gov.cn/bzgk/std/newGbInfo?hcno=BB05482DBB00627FEA316361F0D31EA3
https://cc.sacinfo.org.cn/course?id=8a6dd87195662f6d0196d30727e94f14