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431. Influence of Underwriters' Venture Capital:Empirical Evidenc
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432. New Progressions and Development Direction of Pediatrics
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433. The Contribution of Highway Traffic Infrastructure Construct
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434. urban design quality of urban construction new
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435. Sharing Mechanism of Elementary Educational Digital Resource
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436. The Analysis and Construction of International Professional
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437. Government Procurement of Preschool Education Service： Condi
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438. forest sustainable utilization elasticity of ecological econ
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439. serum pharmacochemistry of traditional Chinese medicine effi
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440. owned capital supervision system, reform of state
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