Teachers should enrich and enhance professional knowledge, pay attention to the concepts and key points, and handle properly the relationship of the general pathology and the systematicpathology.
教师应提高自身的专业知识，课堂讲解概念清楚，重点突出，处理好总论与各论的关系。
2
AFLP has been emerged as a major new type of genetic marker with broad application in systematic, pathology, population genetics, DNA fingerprinting and quantitative trait loci (QTL) mapping.