以上海地区出产的食用淡水鱼为试样，通过冷原子吸收光度法检测鱼体中的汞含量。
The mercury content of esculent fresh water fishes produced from Shanghai was determined by means of the cold atomic absorption luminosity.
目的了解深圳市南山区食用淡水鱼华支睾吸虫囊蚴感染情况，为疾病控制部门采取预防措施提供参考资料。
To study the infection of encysted metacercaria on fresh water fish in Nanshan District of Shenzhen and provide references for disease control units.
有扁平身体和闪光鳞片的欧洲淡水鱼；没什么食用价值。
European freshwater fish having a flattened body and silvery scales; of little value as food.
河鲈任何一种有刺状鳍的鲈属淡水鱼，尤指两种可食用类，北美洲的金鲈和欧洲的河鲈。
Any of various spiny-finned freshwater fishes of the genus Perca, especially either of two edible species, P. flavescens, of North America, and P. fluviatilis, of Europe.
河鲈任何一种有刺状鳍的鲈属淡水鱼，尤指两种可食用类，北美洲的金鲈和欧洲的河鲈。
Any of various spiny-finned freshwater fishes of the genus Perca, especially either of two edible species, P. flavescens, of North America, and P. fluviatilis, of Europe.
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