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词汇 parabola
释义 parabola
noun[ C ]
 mathematics, physics specializeduk /pəˈræb.əl.ə/ us /pəˈræb.əl.ə/
a type of curve such as that made by an object that is thrown up in the air and falls to the ground in a different place抛物线
SMART Vocabulary: related words and phrases

Geometry: bends, loops & curves
anfractuous
arc
bend
conic
curve
dogleg
elbow
fishhook
geniculate
helically
meander
sigmoidally
spiral
spline
sweepy
swoosh
tightness
trajectory
twist
whirl

Related word


parabolic

parabola | American Dictionary


parabola
noun[ C ]
us/pəˈræb·ə·lə/
geometry
a U-shaped curve
geometry
A parabola is the graph (= drawing) of a quadratic equation

Examples of parabola


parabola
Here we restrict ourselves to quantify the strength of the thermal lensing and hence fit a parabola to the refractive index profiles.
It was prepared in order to determine the degree of elevation for parabolas of various heights but with the same width of 465.
The procedure was applied to the 3 m focal length off-axis parabola.
The positions are represented after pattern recognition by matching experimental parabolas to the theoretical ones.
Above the gain 8, the volume ignition happens, as seen from the highly deformed dashed parabolas for these higher gains.
The parabolas are labelled: inside by the time and outside by the values of 1 and 2 when finite.
Neither a straight line nor a parabola can be fitted reasonably to these data.
Furthermore, saddle connections can occur along invariant lines of (13), corresponding to invariant parabolas of (11).
For the parameters we choose, f, is a concave-up parabola.
But this solution does not lead to any better result than that which he had achieved by comparing empirically the catenary with a parabola.
Figure shows that the parabolas are not perfect.
This was done such that the point under consideration was at the middle of the three radial points through which the parabola passed.
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.
For the final discovery, it was necessary, of course, that he recognize the parabola in his drawing.
The focused beam from the parabola was then sent through pinhole targets and onto a large area calorimeter.
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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