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link (e.g. in a chain of events); part (of a plan, campaign, activities, etc.)
monocyclic
研修は人材育成の一環として行われた。
The training was conducted as part of personnel development.
この調査は研究の一環だ。
This survey is part of the research.
環境保護の一環として植樹を行った。
We planted trees as part of environmental protection.