First of all, MP3 is a standard MPEG layer under Section 3 of the compressed audio signal decoding technology.

首先，MP3是在一种MPEG标准下的第3层音频信号的压缩解码技术。

youdao

First of all, MP3 is a standard MPEG layer under Section 3 of the compressed audio signal decoding technology.

首先，MP3是在一种MPEG标准下的第3层音频信号的压缩解码技术。

youdao