When the discussion flagged and all seemed baffled, it was on these occasions he would rap out the deadly question . 当讨论茫无头绪，在座的人都一筹莫展的时候，这时他便一针见血地指出关键性的问题。
I think that the crucial mistakes in most methodological discussions arise from some very common misunderstandings of the methods of physics . 我认为，在大多数方法论讨论中，关键性的错误在于对物理学方法的一些十分常见的误解。
Study the formations mechanism that industry gathers a group 基于关键性企业的视角
President ' s critical infrastructure protection board 总统的关键性基础设施保护理事会
To grasp the whole with key words and sentences 整体把握从关键性词句入手
Fifth fully defined several key concepts （五）界定了几个关键性概念。
Everyone must face his moment of truth 每个人都必须直面关键性的一刻。
China has a vital role in helping this to happen . 35 中国将在这一过程中起到关键性的作用。
