1.13GB节约点,大约一GB可以用多久久?

实施 中华人民共和国国家质量监督检验检疫总局 发 布 中 国 国家 标 准 化 管 理 委 员 会 GB/T 1 目 次 前言 ·························,·,,,,,,························,·····。·····。·············,·····························…… 皿 1 范围 ··························,·····‘···················································,,,····。····················一 1 2 规范性引用文件 ···························································‘···························,························一· 2 4 性能特性的表示 ···········,,··········································································……,二2 5 性能 ·····················,································,·····‘·················,·,,··,···‘····‘·············,·,·… 4 6 保护装置要求 ········,,·····,·,·····················,,··,,,,··。‘··············,,,··,,,,,,。···············……,.,10 7 音频噪声要求 ·········································································,·························…… 10 S 附加要求 ·····················································,···························,,,·····················…… 10 9 试验要求 ·······································································································…… n 10 标志和说明 ·11 附录A (规范性附录) 周期性和随机性偏差的试验方法 ·12 附录B (规范性附录) 输出过电压保护 ········,,,,····‘··4‘········,······,,·····

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