active component part

基本解释

To isolate and purify active component and find out the active part and the active component.
分离纯化北豆根提取物的各种活性成分，找到有效部位和有效成分，并进一步探讨其生物学活性。
http://dj.iciba.com
International efforts on SALW form a most active and productive component part of the current multilateral arms control endeavor.
关于小武器问题的国际努力是当前多边军控工作中最为活跃、最有成效的组成部分。
www.fmprc.gov.cn
In the 21st century China's cultural diplomacy is increasingly active, and has become an important component part as well as one of the three important pillars of China's whole diplomacy.
新世纪中国文化外交日益活跃，已成为中国总体外交的重要组成部分和三大支柱之一。