pivotal role

基本解释

China played a pivotal role in brokering the agreement in support of this plan and has committed 300 engineering troops to the force.
中国在促成支持这个方案的协议方面发挥了关键作用，并派遣了300名工程兵参加维和部队。
I speak openly as I realize that all these challenges and issues affect the pivotal role of the United Nations, its credibility and its existence.
我之所以开诚布公地这样说，只是因为我认识到，所有这些挑战和问题都影响到本组织的关键作用、其信誉乃至存在。
Given the pivotal role of randomization in some matrix-based simulations, it is instructive to investigate how these libraries perform in situations that call on randomization.
考虑到随机化在某些基于矩阵的模拟中的关键作用，研究这些库在调用随机化的情况下的表现是有益的。

Richard Pipes,a leading authority on Russia and a former anti-Soviet crusader who served in the Reagan administration, also stresses Mr.Gorbachev's pivotal role.
president has done so. He told the council that the United Nations has a "pivotal role to play" in preventing a nuclear crisis.

The pivotal role that he played in the nexus of global terror was unique.
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How can a web of unclean commodes play such a pivotal role in our national infrastructure?
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