系统要求通过调查，系统需要以下功能（1）由于操作员的计算机知识通常很差

The system requires the <br><br><br><br>investigation, the system needs the following functions <br><br>(1) Because the operator’s computer knowledge is usually poor, a good human-machine community is needed <br><br><br><br>(2) Because the system uses many objects, it needs better authority management <br><br>(3) Original Data modification is simple and convenient, supports multi-condition modification <br><br>(4) Convenient data query, supports multi-condition query; <br><br>(5) Data deletion is convenient and simple, and data stability is good under the corresponding authority. <br><br>(6) Data calculation can be completed automatically. Minimize physical labor:

System requirements<br><br>Through the survey, the system needs the following features<br><br>(1) Because the operator's computer knowledge is usually poor, a good human-machine community is needed<br><br>(2) Because the system uses many objects, it needs better rights management<br><br>(3) The original data modification is simple and convenient, supporting multi-condition modification<br><br>(4) convenient data query, support multi-condition query;<br><br>(5) Under the corresponding permissions, data deletion is convenient, simple, data stability is good<br><br>(6) Data calculations can be done automatically to minimize manual labor:

system requirements <br>Through investigation, the system needs the following functions<br>(1) Because operators usually have poor computer knowledge, a good human-computer community is needed<br>(2) Because the system uses many objects, it needs better privilege management<br>(3) The original data modification is simple and convenient, and supports multi condition modification<br>(4) Convenient data query, support multi condition query;<br>(5) Under the corresponding authority, data deletion is convenient, simple and stable<br>(6) Data calculation can be done automatically to minimize manual labor:<br>