短語詞組短語meridional index [氣象]經(jīng)向指數(shù)meridional ray 子午光線;[光]子午面光線meridional plane 子午平面;子午面meridional focus 主焦點meridional extension [氣象]經(jīng)向擴展meridional aberration 子午圈象差;翻譯meridional intensity 子午線方向強度meridional rays 子午線meridional convergence 子午線收斂角meridional circulation 經(jīng)向環(huán)流 返回 meridional