At the conclusion of the conference, roughly 18 different focus groups were formed and charged with the task of planning concrete actions that would address the central concerns of the Summit.
会议结束时，大约形成了18个讨论小组，负责计划那些能解决峰会核心问题的具体行动。
In recent years, accidents caused by explosives and powders occur so often that the assessment of explosives and powders becomes an important task of concerns and discussions.
而近几年，火炸药及其制品燃烧爆炸危险源重大特大事故频发，火炸药危险源安全评价一直是人们关心和讨论的课题。
In recent years, accidents caused by explosives and powders occur so often that the assessment of explosives and powders becomes an important task of concerns and discussions.
而近几年，火炸药及其制品燃烧爆炸危险源重大特大事故频发，火炸药危险源安全评价一直是人们关心和讨论的课题。
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