目的：调查淮河水系盾盘吸虫孳生情况。方法采集淮河水系淮南流域孳生的河蚌，编号并解剖分离蚌体内的吸虫，染色制片后鉴定虫种。结果在......

The level and pattern of residues of organochlorine pesticide and polychlorinated biphenyls (PCBs) wereanalyzed in sedim......