词汇	first-commercial level
释义	first-commercial level 第一级商业水平
随便看	proportion by addition and subtraetion proportion by alternation proportion by inversion proportion by subtraction proportion by weight proportion calculator proportion capacitance network Proportion,Cephalopelvic proportion character proportion characteristic proportionates proportionate sampler proportionate sampling proportionate share proportionate sharing of the revenue proportionate stratified sampling proportionate sub class numbers proportionate sub-class numbers proportionate subscribers proportionate to proportionating proportionative proportionator proportionators proportion between supply and demand