Esempi
The responsible device is a simple transducer that you probably well know - a microphone.
The orientation of the depressions depends on the type carrier for the transducer .
The CDA is a compound transducer created by cascading a Lorenz-force transducer and an elastic transducer .
The transducer was cabled to a control and data-acquisition unit consisting of a computer and other electronic hardware.
The transducer generates and receives high frequency sound waves that can't be heard by the human ear.
Other
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