| 词汇 | abscissa |
| 释义 | abscissa noun[ C ] mathematics specializeduk /æbˈsɪs.ə/ us /æbˈsɪs.ə/ a number on an X-axis that shows the coordinate of a point（数学）横坐标 Tables, graphs & diagrams asymptote asymptotic bar chart bar graph block graph coord coordinate diagram flowchart graph graph paper normal distribution organigram pictogram replot scatter diagram scatterplot tabular vertical axis y-axis In the figure it will be noticed that the rising portion of the curve is somewhat steep, and the recovery convex to the abscissa, the fall being relatively rapid in its first, and less rapid in its later, parts. In this cause-and-effect curve, the first part is slightly convex to the abscissa, the second straight and ascending, and the third concave. The curve as a whole becomes, first slightly convex to the abscissa, then straight and ascending, and lastly concave. The ordinate in these curves represents the E.M. variation, and the abscissa the time. To provide for such cases the curve is drawn as if it never touched the abscissa. abscissa | American Dictionaryabscissa noun[ C ] us/æbˈsɪs·ə/ mathematics the first number in a pair; a number on an X-axis (= line) that shows the coordinate (= place along that line) of a point Examples of abscissaabscissa The abscissa shows the change in response amplitude at the tuning peak during peripheral stimulation. For different delays after stimulus onset (abscissa), responses in a 20-ms time window were averaged and compared. The sharp spectral roll-off in this range exaggerates the ordinal error for a fixed abscissa. The abscissa of each figure is the horizontal displacement of the robotic manipulator. The abscissa has been normalized so that the mean has a value of 50 and the ordinate has been normalized as cumulative probability. In the supercavitating case, velocity continuity is assumed at the detachment abscissae and the cavity length is measured from the experiment. The length of the abscissa to the connecting node is proportional to genetic distance between sequences. Note that the ordinate is expanded (about 3.7 times) compared to the abscissa scale. For a farm to reach 100% on the axis of abscissas, the farmer must have rated every potential reason listed in the questionnaire. The abscissa in each case shows the spatial separation between the centers of referent and test stimuli, expressed on a logarithmic scale. All tasks involved a staircase procedure using stimuli illustrated below the abscissa. The stimulus duration is 200 ms and is indicated by the raised horizontal bar along the abscissa. The idea is, that we evaluate the function x only for a few abscissae and approximate it by x for the remaining evaluation points. Heights listed along the abscissa are lower limits of quarter octave height classes. Consider the initial conditions corresponding t o those suggested near the end of the preceding section, viz. any point on the abscissa. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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