单词	tangent plane
释义	tangent plane noun : the plane through a point of a surface that contains the tangent lines to all the curves on the surface through the same point Word History First Known Use 1856, in the meaning defined above
随便看	podophthalmian podophthalmic podophthalmite podophthalmitic podophthalmous podophylla podophylli podophyllin podophyllins podophyllous podophyllum podophyllums podos podoscaph Podosomata Podosphaera Podostemaceae podostemaceous podostemad podostemon Podostemonaceae podostemonaceous Podostemonales podotheca podothecae

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