中科院 is formed by abbreviating the full name 中国科学院 (Chinese Academy of Sciences) through the extraction of the first character from each constituent word: 中 from 中国, 科 from 科学, and 院 from 学院.
Word Definition - 中科院
zhōng kē yuànabbr. for 中國社會科學院|中国社会科学院[zhōng guó shè huì kē xué yuàn], Chinese Academy of Sciences (CAS)