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词汇 abscissa
释义

Definition of abscissa in English:

abscissa

nounPlural abscissae, Plural abscissas abˈsɪsəæbˈsɪsə
Mathematics
  • (in a system of coordinates) the distance from a point to the vertical or y-axis, measured parallel to the horizontal or x-axis; the x-coordinate.

    〔数〕横坐标。比较 ORDINATE

    Compare with ordinate
    Example sentencesExamples
    • That is to say, the intercepts on the abscissa and the ordinate should be higher for isocline 2 at x = 1.
    • To unify the curves to a single abscissa, we define a nominal maximal velocity for W / T e = 1, [beta] = 1, and y = 4.5.
    • Open and closed time histograms were plotted using a logarithmic abscissa and a square root ordinate and fitted to the sum of exponential functions by maximal likelihood using the program TACFit (Bruxton Corporation, Seattle, WA).
    • Plotted on the abscissa of the graph are the incompatibility values or the proportions of informative sites incompatible with the particular clade in the set of artificially generated sequences.
    • Here, the amplitude of the eigenvector in the lowest-frequency mode is plotted on the ordinate whereas the abscissa shows the residue number.

Origin

Early 17th century (denoting the part of a line between a point on it and the point of intersection with an ordinate): from modern Latin abscissa (linea) 'cut-off (line)', feminine past participle of abscindere (see abscission).

Definition of abscissa in US English:

abscissa

nounæbˈsɪsəabˈsisə
Mathematics
  • (in a system of coordinates) the x-coordinate, the distance from a point to the vertical or y-axis measured parallel to the horizontal or x-axis.

    〔数〕横坐标。比较 ORDINATE

    Compare with ordinate
    Example sentencesExamples
    • To unify the curves to a single abscissa, we define a nominal maximal velocity for W / T e = 1, [beta] = 1, and y = 4.5.
    • Open and closed time histograms were plotted using a logarithmic abscissa and a square root ordinate and fitted to the sum of exponential functions by maximal likelihood using the program TACFit (Bruxton Corporation, Seattle, WA).
    • Plotted on the abscissa of the graph are the incompatibility values or the proportions of informative sites incompatible with the particular clade in the set of artificially generated sequences.
    • Here, the amplitude of the eigenvector in the lowest-frequency mode is plotted on the ordinate whereas the abscissa shows the residue number.
    • That is to say, the intercepts on the abscissa and the ordinate should be higher for isocline 2 at x = 1.

Origin

Early 17th century (denoting the part of a line between a point on it and the point of intersection with an ordinate): from modern Latin abscissa (linea) ‘cutoff (line)’, feminine past participle of abscindere (see abscission).

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