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Recreational attraction of urban park wetlands in Beijing. Guidelines and evaluation indicators of urban ecological landscape construction Urban habitants’ attitudes toward nature-approximating landscape architecture: Taking Hongshan District of Wuhan City, China as a case. Relationship between intensive utilization and environmental pressure of cultivatedland: a case study on 780 cropland parcels in Tarim River Basin Analysis of questionnaire and clinical characteristics of 2 000 cases of dysmenorrheal Analysis and outlook on teaching status of Molecular Pharmacognosy