Definition of small circle in English:

small circle

noun

词汇	small circle
释义	Definition of small circle in English: small circle noun A circle on the surface of a sphere whose plane does not pass through the sphere's centre. （球面上的）小圆（其剖面未过球心） Example sentencesExamples A great circle at right angles to a small circle passes through the pole. The game involves comparing small circles with larger circles and may have provided the motivation for the area formula. A small circle is quite as infinite as a large circle; but, though it is quite as infinite, it is not so large.
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