单词	到了年歲
释义	同ATTAIN
随便看	relative error bounds relative error of closure relative error -- proportional error relative error ; proportional error relative erythrocytosis relative evaporation relative evaporation gauge relative expansion relative exposure relative--exposure relative external standard deviation relative extremal relative extreme relative extremum relative fall relative fall of sea level relative--fefractive index relative fefractive index difference relative festigkeit relative file relative file organization relative fitness relative flow coefficient relative flow value relative fluctuation