“tangent”的概念、定义、翻译、参考文献-科学参考

单词	tangent
释义	tangent Physics 1. A line that touches a curve or a plane that touches a surface. 2. See trigonometric functions. Mathematics See trigonometric function. Chemical Engineering 1. A straight line that has a contact point with a curve at which point it has the same slope as the curve. 2. A trigonometric function. The tan of the angle, α, is the ratio of the side opposite to the angle to the side adjacent to the right-angled triangle.
随便看	doldrums dolerite photoionization photolithography photoluminescence photolysis photolytic reaction photometer photometric binary photometric brightness photometric parallax photometric standard photometry photomicrography photomorphogenesis photomultiplier photon photonasty photoneutron photonic crystal photonic heterostructure photonics photon log photon polarization photon sphere

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