求翻译：其中A类重大招标2项；B类重点项目7项；C类一般项目7项；涉及管理学和经济学两大学科门类，五个一级学科：管理科学与工程2项，工商管理7项，公共管理3项，理论经济学2项，应用经济学2项是什么意思？

A major tender of 2, 7; b class key projects; c general project 7; involved in management and economics of the two disciplines, the five disciplines: Management Science and Engineering 2, Business Administration 7 3, public administration, two of Theoretical Economics, Applied Economics 2

One such major tender A; B class 2 is focused on item 7 is a general category; C; item 7 involved in the management and economics, the University has 5 categories A-level subjects: Management Science and Engineering 2, MBA 7a, 3a, public administration theory, applied economics 2 is an economics 2

A kind tenders significantly 2 items; B kind of key project 7 items; C kind of general project 7 items; Involves the management science and the economic two big discipline class, five level disciplines: The management science and the project 2 items, the business management 7 items, public manage 3

Class a major bid 2; category b priority 7; category c project 7 involving two disciplines of management and economics, five subjects: 2 of management science and engineering, business and management 7, public management, 3 2 theoretical economics, applied economics 2

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