单词	可交割的
释义	同Assignable
随便看	ratio transformer ratio transformer bridge ratio, transpiration ratio trend and projection method ratio-trend forecasting ratio-turn ratio-type lithofacies map ratio variable ratio variables ratio, void ratio-voltage ratio, water-cement ratio-- w/u ratio， absorption ratio， abundance ratio， activity ratio， alpha-to-beta ratio， alpha-to-neutron-fission ratio， aperture ratio， atomic ratio， axial mirror ratio， background ratio， berrding ratio， bilogical/physical ratio，birth-death