摘要
通过通用银行信用卡报警装置的启迪，建议增加设置第２种密码。文章叙述了７种保密措施。
Enlightened by credit card alarming apparatus of the bank, the author suggests setting a second secret code. 7 measurements for security are described to ensure the use of credit card.
出处
《煤矿自动化》
1999年第3期20-22,共3页
Coal Mine Automation
