“crescent beam”的概念、定义、翻译、参考文献-科学参考

单词	crescent beam
释义	crescent beam [`kres·ǝnt ´bēm] ^ENGINEERING A beam bounded by arcs having different centers of curvature, with the central section the largest.
随便看	selective solvent selective trace selective transmission selectivity selectivity coefficient selectivity diagram selector selector channel selector switch s-electron selenic acid selenide selenious acid selenite selenite butte selenium selenium bromide selenium cell selenium dibromide selenium diode selenium dioxide selenium disulfide selenium halide selenium monobromide selenium nitride

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