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单词 degenerate conic
释义

degenerate conic

A conic that consists of a pair of (possibly coincident) straight lines. The equation ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 represents a degenerate conic if Δ = 0, where

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更新时间:2025/4/30 0:10:53