It relies on microwaves to image objects.Microwaves are a form of electromagnetic radiation(电磁辐射)-types of energy that travel through space as a wave.Electromagnetic radiation includes visible (可见的) light,which can be seen with the naked eye.It also includes several types of energy,such ...
In elementary school, I would go to the nurse every day to do my nebulizers and receive postural drainage (a form of airway clearance). Did you feel like you were different than other kids, or just a normal kid with some extra things to deal with from day to day? I didn’t unders...
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