10 million Oyster CARDS issued.
牡蛎卡发行量为100万张。
So far security and privacy have naturally been the main concerns for the Oyster card and similar smart CARDS.
所以迄今为止，安全和隐私自然而然地成为了牡蛎卡及同类卡片主要关注的对象。
RFID chips can already be found in contactless cards, including banks cards and the Oyster system which is used by more than 10 million people to pay for public transport in London.
射频识别芯片已经应用于非接触式卡片，比如银行卡和超过1000万伦敦人支付公交费用使用的“牡蛎卡”。
RFID chips can already be found in contactless CARDS, including bank CARDS and the Oyster system which is used by more than 10 million people to pay for public transport in London.
射频识别芯片已大量应用于非接触式卡片，比如银行卡和超过1000万伦敦人支付公交费用使用的“牡蛎卡”。
RFID chips can already be found in contactless CARDS, including bank CARDS and the Oyster system which is used by more than 10 million people to pay for public transport in London.
射频识别芯片已大量应用于非接触式卡片，比如银行卡和超过1000万伦敦人支付公交费用使用的“牡蛎卡”。
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