“reducing glass”的概念、定义、翻译、参考文献-科学参考

单词	reducing glass
释义	reducing glass [ri`düs·iŋ ´glas] ^OPTICS A double-concave lens that reduces the apparent size of objects viewed through it; used by illustrators and painters to create an artificial sense of distance from their work.
随便看	single-shot trigger circuit single-sideband single-sideband communication single-sideband modulation single-sideband transmission single-sided single-sided amplifier single-signal receiver single-sized aggregate single-stage compressor single-stage pump single-stage rocket single-stand mill single-station analysis single-step operation single-stub transformer single-stub tuner singlet single-theodolite observation single thread single threading single-throw switch singleton single-tone keying single-trip trigger circuit

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