| 单词 | parabola |
| 释义 | parabola noun[C] mathematics,physicsspecializeduk/pəˈræb.əl.ə/us/pəˈræb.əl.ə/atypeofcurvesuch as that made by anobjectthat isthrownup in theairandfallsto thegroundin a differentplace 抛物线Geometry: bends, loops & curves
parabola| American Dictionaryparabola noun[C] us/pəˈræb·ə·lə/geometry a U-shapedcurve geometry A parabola is thegraph(=drawing)of aquadraticequation Examplesofparabolaparabola Here we restrict ourselves to quantify the strength of the thermal lensing and hence fit aparabolato the refractive index profiles. From theCambridge English Corpus It was prepared in order to determine the degree of elevation for parabolas of various heights but with the same width of 465. From theCambridge English Corpus The procedure was applied to the 3 m focal length off-axisparabola. From theCambridge English Corpus The positions are represented after pattern recognition by matching experimental parabolas to the theoretical ones. From theCambridge English Corpus Above the gain 8, the volume ignition happens, as seen from the highly deformed dashed parabolas for these higher gains. From theCambridge English Corpus The parabolas are labelled: inside by the time and outside by the values of 1 and 2 when finite. From theCambridge English Corpus Neither a straight line nor aparabolacan be fitted reasonably to these data. From theCambridge English Corpus Furthermore, saddle connections can occur along invariant lines of (13), corresponding to invariant parabolas of (11). From theCambridge English Corpus For the parameters we choose, f, is a concave-upparabola. From theCambridge English Corpus But this solution does not lead to any better result than that which he had achieved by comparing empirically the catenary with aparabola. From theCambridge English Corpus Figure shows that the parabolas are not perfect. From theCambridge English Corpus This was done such that the point under consideration was at the middle of the three radial points through which theparabolapassed. From theCambridge English Corpus I made this experiment several times and found that it works, especially in the case of parabolas with an elevation of less than 45 degrees. From theCambridge English Corpus For the final discovery, it was necessary, of course, that he recognize theparabolain his drawing. From theCambridge English Corpus The focused beam from theparabolawas then sent through pinhole targets and onto a large area calorimeter. From theCambridge English Corpus 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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