词汇	negative frequency
释义	negative frequency 负频率
随便看	multi-layer image multilayer inas quantum dots multi-layer inference network multilayer infiltration system multilayer information display multi-layer information extraction multilayering multi-layering multilayer injection molding multi-layer injector multi-layer instructing model multilayer insulated vessel Multilayer insulating material multilayer insulation multi-layer insulation multilayer insulation blankets multilayer integrated circuit multilayer interception multi-layer interception multilayer interconnection multi-layer interconnection board multilayer interconnection pattern multilayer interconnection structure multilayer interference filter multilayer ionic device