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spectrograph造句
31 Objective To study the acoustic - phonetic features of the cleft patients with sound spectrograph. 32 F. W. Aston, the British experimental physicist, won the Nobel Prize in chemistry in 1922 due to the invention of a mass spectrograph. 33 A spectrograph device can use the near-infrared light bouncing off an apple to show evidence of damage. 34 Moreover, the rapid measurement of carbaryl residues in cucumbers is implemented with a steady-state fluorescent spectrograph and the new system respectively.