rescue personnel短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 抢险救援人员 In terms of the constructed geometric network model it demonstrated the implementation of feasible and safe routes within a multi-level structure for rescue personnel and presented the result in3D. 然后基于图论算法对建筑物内部通道情况进行分析，并给出分析结果的3维表示。 cnki