quadran.勒脚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 sampling正交抽样quadrilateral prism四边形棱柱quadrature receiver正交接收机quadrilateral chain大地四边形链quadrate cartilages[医] 小翼软骨Quadrature channels正交通道quadraphony decoder四声道解码器quadrupole coupling四极耦合quadrivalent elemen四价元素quadrupole strength四极子强度