但是在出现销售现场电子转帐系统之前，为此要付出的代价是必须先要把存款变成现金才能用来购物。
But the cost of holding deposits is the need to convert them into cash before they can be spent.
从一个实用系统出发，采用形式化的证明方法，分析了电子资金转帐系统中安全协议的保密性和可鉴别性。
From an application system, this paper analyzes the privacy and authenticity of a security protocol in the electronic fund transfer system with a formal proof method.
它包括一种虚拟的数字钱币、一套电子出纳转帐借贷系统以及各种形状和大小的智能卡。
It includes a virtual numeric currency, an electronic system of withdrawals, transfers and loans, and Smartcards of all shapes and sizes.
现代的技术使我们能够通过电子自动转帐购物系统来使用我们帐户上的存款，而不用先去把存款变成现金。
Technology allows the use of savings account balances through EFTPOS without converting the balances into cash first.
现代的技术使我们能够通过电子自动转帐购物系统来使用我们帐户上的存款，而不用先去把存款变成现金。
Technology allows the use of savings account balances through EFTPOS without converting the balances into cash first.
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