单词	双辅音
释义	双辅音phr.double consonant【语】双辅音
随便看	relative osculating circle relative output demand relative output supply relative overpopulation relative parallax relative partial dispersion relative path relative path name relative pathname relative peak area relative peak high relative peak separation relative peak sharpness relative peremability relative performance evaluation relative performance guarantee relative permeability relative permittivity relative phase change relative phase difference relative phase shift relative photometer relative photometry relative pitch relative pitch-shortening value