| 摘要 |
<p>The method involves holding database (22) in the form of request result in a volatile memory (8) of a control unit (2) for read out by the user and a request result is assigned to request provided for the user. An operated request combined with a reference of the assigned result is held in a volatile memory. The request is held in the volatile memory that are secured in a non-volatile backup memory in a recurring manner.</p> |
