很长的时间以内这些寄生物都能经常在寄主的衣服上被发现，使得研究人员能够基于寄生物的演变来研究寄主的进化演进。
These parasites are often found stranded on lineages of hosts over long periods of time, permitting researchers to learn about evolutionary changes in the host based on changes in the parasite.
前者的理论面貌与时代社会文化思潮的演变密切相关，而后者的理论品性则与小说的创作实践及小说自身的历史演进正相关。
The former closely related to the evolution of social and cultural ideas, and the later is related to the creative practice and its own historical evolution.
此文学形象的演变既形象诠释了方仙道向神仙道教演进的规律，亦集中反映出方士小说与道士小说之间的嬗递关系。
This literary figure vividly interprets the evolution changing from necromancy to Taoism, and mainly shows the successive change from necromancer novels to Taoist novels.
应用推荐