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经济情报学
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经济情报学
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economic information science
经济情报学
系统研究经济活动过程中的情报、情报过程及其规律的应用性交叉学科。
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sheaf of circles
sheaf of complexes
sheaf of curves
sheaf of differential operators
sheaf of differentials
sheaf of finite type
sheaf of functions
sheaf of germs
sheaf of germs of analytic fanction
sheaf of germs of divisors
sheaf of germs of functions
sheaf of groups
sheaf of hyperfunctions
sheaf of ideals
sheaf of lines
sheaf of meromorphic functions
sheaf of modules
sheaf of parallel lines
sheaf of planes
sheaf of regular functions
sheaf of relations
sheaf of rings
sheaf of semigroups
sheaf of sets
sheaf of spheres
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