positive axis

[′päz·əd·iv ′ak·səs] (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.

单词	positive axis
释义	positive axis positive axis [′päz·əd·iv ′ak·səs] (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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