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651. Studies on the Changes of Nutrient Contents and Biomass of P

652. The Model for Evaluating E-Business Performance Based on Val

653. Running Safety of High-speed Trains on Bridges under Strong

654. 物质流指标下的工业经济解耦问题研究 Study on Industrial Economy Decoupl

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656. Studies on the Life History of Argas (carios) sinensis Jeu e

657. Research on Economic Efficiency of High-tech Industries in C

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659. On the Direction, Points and Scheme of the Revision of China

660. How Can Historical Relics Lost in Overseas be Regained?On th

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