major critical component

基本解释

Inventory management as a major component of modern logistics management plays a critical role in the course of enterprise operational decision-making.
库存管理作为现代物流管理的重要组成部分，在企业经营决策中有着不容忽视的地位。

At the global level, The Ramsar Convention has called for local to national governments to recognise wetlands as the primary sources from which humans derive water and that they are a major and critical component of the water cycle that keeps us supplied with water.
UNESCO: MEDIA SERVICES
"Finding a major retail partner for our North American launch was a critical component to our strategy, and Best Buy was the obvious choice, " said Leap Motion President and COO Andy Miller.
ENGADGET: Leap Motion goes retail: motion controller to be sold exclusively at Best Buy