对原始图像进行四叉树分形编码后，通过给定子块在不同的寻找区域中搜索其最佳匹配父块来嵌入水印。
After the original image is maked to quadtree fractal coding, we embed watermarking into it by range blocks searching its most-matched domain blocks in different search regions.
不同宿主中，杜父鱼驼形线虫的感染率、感染丰度和感染强度差异很大。
The nematode's mean prevalence, prevalence, mean abundance and intensity of infection varied in different fish species.
长江种群是杜父鱼驼形线虫的祖先种群，闽江和珠江种群是由长江种群扩散而形成的；
The results showed that the significant geographical structuring of C. cotti population was only presented between the Pearl River population and the Yangtze River - Minjiang River population.
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