释义 |
DictionarySeesmartsmart gun
smart gunA handgun that cannot be fired without the user wearing a device that authorizes firing. Smart guns date back to the 1970s with handguns that required the wearing of a magnetic ring on your finger. RFID technology and biometric identification in the grip are also used.smart gun
smart gun Public health A firearm that can only be used after a PIN–personal identification number–is keyed in to release the trigger. See Safe weapon. |