equinoctial circle 天球赤道圈 ; 二分圈

equinoctial circle storm 分点风暴

equinoctial circle flower 定时开闭花

equinoctial circle gale 二分点暴风

equinoctial circle time 分至时

equinoctial circle tide 分点潮

equinoctial circle rain 二分雨

equinoctial circle line 昼夜平分线

equinoctial circle colure 昼夜平分圈

equinoctial circle low water 分时低潮