... two-mode ring gas laser 双模环状气体激光器 two-package spectrometer 双束分光光度计 two-pass 双行程[的] ...
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双光束分光光度计 [分化] [光] double beam spectrophotometer
双光束显微分光光度计 double beam microspectrophotometer
双光束分光光密度计 double-beam spectrodensitometer
双光束光栅分光光度计 double-beam grating spectrophotometer
双光束空间分光光度计 double beam space spectrophotometer
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