特殊用法astronomical equator1.【测】天文赤道cosmic-ray equator1.宇宙射线赤道fictitious equator1.【航海】虚拟赤道galactic equator1.银道geomagnetic equator1.地磁赤道heat equator1.热赤道hyetal equator1.雨量赤道magnetic equator1.地磁赤道meteorological equator1.气象赤道transverse equator1.横轴投影赤道equator of egg1.卵中纬线, 卵赤道