单词	brachistochrone
释义	brachistochrone 捷线（又称“最速降线”)
随便看	Napier bones Napier constant Napier formula Napier inequality Napier, J. Napier logarithm Napier number Napier rod Napier rule Napier theorem Napoleon circle Napoleon cross-difference Napoleon-Feuerbach cubic Napoleon point Napoleon problem Napoleon theorem Napoleon triangle nappe Narayana polynomial narcissistic number n-arc theorem narrow narrow class narrow convergence narrow ideal class

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