“concentric pencils”的概念、定义、翻译、参考文献-科学参考

单词	concentric pencils
释义	concentric pencils 同心线束
随便看	phase-modulated beam phase-modulated signal phase modulation phase modulation carrier telegraph phase-modulation constant phase-modulation detector phase-modulation receiver phase modulation recording phase modulation system phase-modulation wave phase modulator phase name phase null detector phase objective phase of equality phase of prosperity phase of the cycle phase of wave Phase of Yanshan phaseolic acid phaseolin phaseoline phaseolunatinic acid Phaseolus Seed phase-only hologram

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