词汇	mixed unit train
释义	mixed unit train 混编列车
随便看	two-level optical signal two-level optimization two-level parallel structure two-level parallel technique two-level parametric amplifier two-level parser two-level picture two-level priority interrupt two-level probe two-level processing system Two-level programming two-level protection and restoration two-level quantum systems two-level quantum wire two-level recording two-level reduction two-level registry two-level rendition two-level return system two-level rotor two-level roundabout two-level roundabout junction two-level rule two levels Two-level scheduling