EQR等对角QR分解EQabbr.情商(=Emotional Quotient)abbr.电四极子（=Electrical Quadrupole）equiangular spiral等角螺旋,等角螺线equiscalar surface等纯量曲面Equisetum pratensen.草问荆equiluminous curve等照度曲线equilateral figure等边形equiangular figure等角形equilibrated valve预启阀,压力平衡阀equiqment purchase设备采购equiband operation等带宽运用Equival ent Factor当量因子