To fit the third generation mobile communication, AMR coder can work in several mode with rate range from 4. 75kbps to 12. 2kbps.是什么意思_To fit the third generation mobile communication, AMR coder can work in several mode with rate range from 4. 75kbps to 12. 2kbps.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句