英语词汇“smart gun”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	smart gun
释义	DictionarySeesmart smart gun smart gun A 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.
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