The experiment brought up interests of students about the biological experiment and enhanced the understanding of the process of animal embryonic development.
该实验有利于培养学生对生物学实验的兴趣，加深对动物胚胎发育过程的了解。
It is a universal phenomenon in the process of growth and development of plants and animals, and has become one of the focus of biological researches.
它是植物和动物生长发育过程中的一种普遍现象，已成为当前生物学的研究热点之一。
There are some different viewpoints on the development process of soil crusts, the relationship between biological soil crusts and the colonization and propagation of vascular plants.
在生物结皮的发育过程中，其与维管植物萌发和定居间的关系也存在几种不同的观点。
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