generalized circle
名词 n.
英文释义
名词 n.
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A circle or a line, the two being regarded as types of a single form.
— We shall speak of lines and circles as generalized circles. A line is a generalized circle that passes through the point at infinity. Under the inversion #92;zeta#61;1#47;z the generalized circle (53.3) goes into (53-4) β|ζ|²-pζ-◌̅p◌̅ζ+α=0,
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