parabola
A spirit way.
A basic, foundational proposition or assumption that cannot be deduced from any other proposition or assumption.
simple past tense and past participle of pseudonymize
(geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
衛星アンテナは受信機に信号を集めるために放物線の形をしています。
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