[电] degree of standardized test dist-ortion

biāo zhǔn cè liáng shī zhēn dù ㄅㄧㄠ ㄓㄨㄣˇ ㄘㄜˋ ㄌㄧㄤˊ ㄕ ㄓㄣ ㄉㄨˋ