Quadir卡迪尔quadvt.用空铅填abbr.四边形（=quadrangle)abbr.四组；四胞胎之一（=quadruplet)abbr.四声道的（=quadraphonic）abbr.四头肌（=quadriceps）abbr.空铅；铅块（=quadrat）n.四方院子；四胞胎之一；嵌条；成套的四件东西quadrature formula with central differences中心差分求积公式quadrature side-band amplitude modulation正交边带调幅Quadripartite Standing Operating Procedures四方现行工作程序quadrature differential phase-shift keying四相差分移相键控Quadripartite Technical Procedures Committee四方技术程序委员会Quadripartite Standardization Agreements List四方标准化协议表Quadripartite Research Coordination Committee四方研究协调委员会quadric orthogonal rotation regression design二次正交旋转回归设计quadrature axis transient electromotive force交轴电动势quadrupole-time of flight mass spectrometry飞行时间质谱