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1、图书馆管理系统的用例图班级：计科姓名：学号：日期：1. 借阅者请求服务的用例图2. 图书馆管理员处理借书、还书的用例图 3. 系统管理员进行系统维护的用例图 several group number, then with b a, =c,c is is methyl b two vertical box between of accurate size. Per-23 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation
2、accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a, to b vertical box distance for b, list can measured
