分类学是认识生物体的一种工具，对生物体间系统关系的理解，种质资源利用的指南，也是一种交流用的普通语言。
Taxonomy is a tool for organism recognition, an understanding of phylogenetic relationships among organisms, a guide for germplasm utilization, and a common language for communication.
对茶树遗传演化的研究，是茶树基础生物学的一个基本问题，也是茶树种质资源研究的重要方面。
The research on the tea genetic evolution is not only a fundamental issue of tea biology but also an important aspect of the study of tea genetic resources.
本试验采用形态学分类学的方法，对源自于国内外的42份薄皮甜瓜种质资源的13个农艺性状进行了聚类分析。
Using the method of morphology classification, 13 agricultural characters of 42 melon germplasm resources were clustered to study their phylogenetic relationship.
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