机器上存的以前的，是关于数字寻呼机的原代码，-found on the machines of the past, digital pagers on the original code,

以往采用轮询的方式对IC卡进行读写，这里进行了改动，更加节省了消耗。(In the past, the use of polling methods to read and write IC cards, here has been changed, more savings in consumption.)