抢修，指事故发生后或因时间紧而动员人们抓紧时间高速度地修理。
The system model of aircraft battlefield repair is established based on hierarchy colored Petri net. Through using complex base,the complex main Petri net is divided into subnets to establish model.
飞机战伤抢修的系统模型,基于分层着色Petri网理论建立。
参考来源 - 基于分层着色Petri网的飞机战伤抢修系统建模·2,447,543篇论文数据，部分数据来源于NoteExpress
紧急抢修后，两条铁路已重新恢复运行。
那就意味着更少的紧急抢修和更少的郁闷旅客。
That means fewer emergency repairs and fewer unhappy passengers.
成千上万名旅客被困在万州火车站。紧急抢修后，两条铁路已重新恢复运行。
Thousands of passengers have been stranded at the Wanzhou railway station. After urgent repairs, two railways have resumed operation.
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