词汇 | parabolic |
释义 | parabolic adjective mathematics, physics specializeduk /ˌpær.əˈbɒl.ɪk/ us /ˌper.əˈbɑː.lɪk/ having a type of curve like that made by an object that is thrown up in the air and falls to the ground in a different place: 抛物线的 a parabolic curve/trajectory抛物线/轨迹 A parabolic dish mounted on the roof receives the Internet signal from a satellite.安装在屋顶上的抛物面天线接收来自卫星的互联网信号。 See parabola The plane made a parabolic dive back to 24,000 feet. Looking back, we can see the long parabolic curve of the town and the ocean. The six rows of parabolic mirrors track the sun. Geometry: properties of circles & curves amplitude arched bore circularity circumferential concave concavity concentric concentrically conic curvy domed eccentric girth incisura lenticular lentiform osculate rectifiable spiral Examples of parabolicparabolic Again, the rejection rate is significantly higher under co-operation and exhibits the same parabolic pattern. These, when held at their extremities, he said, naturally accommodate the curvatures of parabolic lines. In particular, the resulting parabolic map is topologically conjugate to the hyperbolic function it originated from. Global analysis of the dynamical system defined by travelling-wave solutions to the associated parabolic equation plays a crucial role in this theory. Other parabolic velocity distributions containing some arbitrary constants but lacking the factor expi(k- k*)x) can be added to those obtained above. Our first result about condensation of at parabolic points is the following. Subjects favored a sine wave path over the parabolic trajectory, and generally all paths of some continuous curvature were judged to be fairly natural. It is not difficult to check that all the requirements of a parabolic system are satisfied. There were sixteen speakers with parabolic reflectors, each playing sound from one of the sources around the country. We do not see a symmetrization effect in the limit which is valid for a wide class of (eventually) uniformly parabolic equations. This indicates that when the parabolic profile is used for the axial velocity the characteristic functions are more difficult to approximate. Knowing this one finds immediately that the inertial correction to the electric potential has a parabolic behaviour along magnetic field lines. This property is shared by the unfoldings of finite codimension parabolic germs. The following theorem allows us to conclude that a t -semiconformal measure is conformal provided the parabolic orbits do not mix. If, for example, the attractor of the parabolic limit equation is chaotic, then trajectories are sensitive to perturbations. 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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