equatorn.赤道equatorial diameter赤道直径equatorial position平伏位置equatorial mounting赤道仪座,赤道装置,赤道式装置equatorial cataract赤道部(白)内障equatorial cleavage中纬(卵)裂equatorial aeronomy赤道高层大气物理学equatorial ejection赤道抛射equatorial calm zone赤道无风带equatorial telescope赤道仪equatorial abnormity赤道异常