词汇	double coincidence switch
释义	double coincidence switch 二重符合开关
随便看	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 Proportion Between Teachers and Students proportion between zinc and alkali proportion by addition