“directed number”的概念、定义、翻译、参考文献-科学参考

单词	directed number
释义	directed number Mathematics A number with a positive or negative sign when required showing it has a direction from the origin as well as a distance from the origin on the number line.
随便看	Aldrin, Buzz (1930– ) aleatory variable Alemanno, Yohanan ben Isaac (4– after 1503) Alembert, Jean Le Rond d' aleph aleph null aleph-null alert box alerting service alert protocol Alessandri, Arturo (1868–1950) alete alethic aleurone layer Aleutian current substrate substrate-level phosphorylation substring substring identifier substructural logic subsurface flow subsurface scattering subsystem subtend subtidal

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