词汇	Helga Mees
释义	Helga Mees 梅斯
随便看	double-beam oscilloscope double beam oscilograph double beam pectrometer double-beam pectrometer Double Beam Photoelectricity Colorimeter double beam photometer double-beam photometer double beam photometers double-beam polarizer double-beam principle double-beam pyrometer double beam radar double-beam recording spectrophotometer double beams double-beams double beam scanning spectrophotometer double beam scanning spectrophotometre double-beam spectrodensitometer double beam spectrometer double-beam spectrometer double-beam spectrometry double beam spectrophotometer double-beam spectrophotometer double beam spectroscopy double beam spectrum radiator