The change trend was influenced by several reasons such as the aquatic habitat, the ecological characteristics of fish, the community structure of digenetic trematodes and import of live fish.
这种变化趋势受多种因素
影响，即水环境特点、鱼类生态习性、复殖
群落结构、活物
输等。
The change trend was influenced by several reasons such as the aquatic habitat, the ecological characteristics of fish, the community structure of digenetic trematodes and import of live fish.
这种变化趋势受多种因素影响，即水环境特点、鱼类生态习性、复殖群落结构、活物输等。
声明：以上
、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
