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This is the fifth strand in a brand-new series of Developing Mathematics
and vitreous body can be removed
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This real specimen of Snake has been embedded in plastic for observation and study
Carry handle folds neatly into body space allowing the units to be stacked
Electronic Model of Hearing Sense Classroom Essential Charts This is the fifth strandSize: 490mm x 230mm x 860mm. Human Electronic Model of Hearing Sense Biological Teaching anatomy model. Simulation demonstrates the Hearing Sense. This model shows normal hearing, a few hearing impairment and conduction process. The model is made according to the anatomical principle. The model is a combination of mechanical mechanics and synchronous electronic circuit program control, which can dynamically simulate human hearing sense. Power supply:
