单词 | positive axis |
释义 | positive axis [`päz·ǝd·iv `ak·sǝs] MATHEMATICS The segment of an axis arising from a cartesian coordinate system which is realized by positive values of the coordinate variables. METEOROLOGY In tropical synoptic analysis, a locus of maximum streamline curvature in an easterly wave; used primarily in the analysis of waves that span the equatorial trough (equatorial waves); a positive axis corresponds to a trough line in the Northern Hemisphere and a ridge line in the Southern Hemisphere. |
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