IEEE Std 269-2019 · Versioni URL: https://knowledge.ivjn.us/it/works/ieee-std-269-2019/versions.html IEEE Std 269-2019 是电气电子工程师学会的技术标准,题为“IEEE Standard for Measuring Electroacoustic Performance of Communication Devices”;公开目录标为现行(Active),已批准(Approved),著录年份为 2020 年。 - rev 1 (2026-11-01) : 当前版本 https://knowledge.ivjn.us/it/works/ieee-std-269-2019/at/1.html Page 1 / 1, 1 total