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Today, there is a new discovery, that is, special lanes will be embedded in the electronic coil, so that the purpose is to allow the car to pass through is to identify the car, and to transmit power in a wireless way, the road is installed to provide enough power to maintain the system operation. Now the security system can be said to be very good, because the installation of the electronic coil, so that the operation of the security order is very good, in fact, the use of electronic coil to stop the application of the field, the field is becoming more and more wide, we have been concerned about the people who are slow to understand the electronic coil.