“directed line segment”的概念、定义、翻译、参考文献-科学参考

单词	directed line segment
释义	directed line segment Mathematics If A and B are two points on a straight line, the part of the line between and including A and B, together with a specified direction along the line, is a directed line segment. $\vec{A B}$ denotes the directed line segment from A to B. See also vector.
随便看	specification language specification limits specific charge specific conductance specific contact resistance specific enthalpy specific gravity specific-gravity determinations specific growth rate specific heat specific heat capacity specific humidity specific impulse specific intensity specificity specific latent heat specific leaf area specific resistance specific retention specific speed specific surface specific surface area specific tax specific volume specific yield

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