Digital Down Conerter (DDC) is a vital device of digital receiver and Numerically Controlled Osillator( NCO) also is a key device that influences the DDC s function.是什么意思_Digital Down Conerter (DDC) is a vital device of digital receiver and Numerically Controlled Osillator( NCO) also is a key device that influences the DDC s function.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句