“Alpheratz”的概念、定义、翻译、参考文献-科学参考

单词	Alpheratz
释义	Alpheratz Astronomy The star Alpha Andromedae, magnitude 2.1. It is a B8 subgiant 97 l.y. away. It is a variable of Alpha² Canum Venaticorum type, with a range of a few hundredths of a magnitude. An obsolete alternative name was Sirrah.
随便看	Hale–Bopp, Comet Hale’s law half-adder half cell half-cell half chair half duplex half-duplex half duplex communication half-duplex operation half-field prism half-graben half-height factor half-IF response half-life half-normal plot halfplane half-power beamwidth half-power point half-replicate half sandwich half-shadow test half-space half-space depth half-spreading rate

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