This is the 1932nd most frequent Russian word.
развитии
Development.
In this sentence, the word 'развитии' is used as a noun in the prepositional case, signifying the process of development or growth, specifically in the context of science.
В развитии науки важную роль играют технологии.
Technology plays an important role in the development of science.
Here, 'развитии' is in the prepositional case and indicates the act of cultivating or enhancing personal abilities.
Он всегда заинтересован в развитии своих навыков.
He is always interested in the development of his skills.
The word 'развитии' in this case refers to the expansion and maturation of cultural aspects, used again in the prepositional case reflecting general growth.