linchpins

英 [ˈlɪntʃpɪnz]

美 [ˈlɪntʃˌpɪnz]

n. (组织、计划等的)关键人物，关键事物
linchpin的复数

N-COUNT 关键；关键性人物（或事物）
If you refer to a person or thing as the linchpin of something, you mean that they are the most important person or thing involved in it.
1. He's the lynchpin of our team and crucial to my long-term plans.
  他是我们队伍的核心，对实现我的长远规划举足轻重。

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And selling nuclear-energy technology abroad Toshiba, Hitachi and Mitsubishi Heavy Industries all produce reactors is one of the linchpins of Mr Kan's growth strategy.
不仅如此，由于东芝，日立和三菱重工三家企业都生产核反应堆，向外出口核能技术也是菅直人首相促进经济的重要一环。
After the Taliban's collapse large parts of the country came under the control of unsavoury warlords, often linchpins of the booming opium trade.
塔利班在国家大部分地区土崩瓦解之后，令人厌恶的军阀掌控了各地，常常参与猖獗的鸦片贸易。
One of the linchpins of collaborative design is to share 3D geometric models in the activities among members of a distributed design teams, which form the kernel of Internet-Driven collaborative design. Therefore the problems of sharing this 3D data should be solved.
三维几何模型的共享不仅是协同设计的关键问题，也是在该领域急需解决的难题，是网络驱动的协同设计实现的核心，是网络支持的协同设计领域的研究重点之一。