词汇	opposite operator
释义	opposite operator n.相反,相反的
随便看	three level return system three-level return system three-level reverse supply chain Three levels three-levels three-level scheduling model three-level schema three-level scheme Three-levels collecting books three-level sdid laser three level section three-level section three level seepage/diffuse Three-level-segmentation Three-level service system for equipment three levels evaluation teaching three levels of hospitals three levels of prevention three levels of restraints mechanisms three levels of social prevention three-level solid laser three level solid state quantum amplifier three-level solid state quantum amplifier three-level solution three-level space vector modulation