| 摘要 |
<p>(a) a first step checking the input key error; (b) a second step checking the program end key and processing the error if the input key contains error; (c) a third step checking whether the input key is for contination and terminating the program if the inptu key is for program end; (d) a forth step checking whether the input key is not for continuation; and (e) a fifth step returning the step to the first one if the input key is not for termination and changing the subscriber key table when the input key is for termination.</p> |
