基本解释[地球科学]二分潮分点潮词组短语短语equinoctial spring tide 分点大潮;二分点大潮autumnal equinoctial spring tide 秋分大潮autumn equinoctial spring tide 秋分大潮equinoctial circle tide 分点潮low water equinoctial spring tide 平均大潮低潮面专业释义地球科学二分潮分点潮