“degenerate conic”的概念、定义、翻译、参考文献-科学参考

单词	degenerate conic
释义	degenerate conic Mathematics 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 $Δ = \| \begin{matrix} a & h & g \\ h & b & f \\ g & f & c \end{matrix} \| .$
随便看	Solidarity solid colour solid conductor Solid Controlled Orbital Utility Test rocket solid electrolyte solid-font printer solid fuel solid inkjet printer solid-melt equilibrium solid models solid of revolution solid Schmidt telescope solid solution solid-state camera solid-state detector solid-state device solid-state drive solid-state hybrid drive solid-state imaging camera solid-state imaging subsystem solid-state memory solid-state physics solid-state reaction solid-state recorder solid superfluid

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