高速公路急救车的GPS通讯系统及车载医用电源设计是最核心的部分，其技术难度很大，要求很高。
The GPS communication system and the vehicular medical power design are the most important parts of the ambulances for their complicated technology.
高速公路急救车的GPS通讯系统及车载医用电源设计是最核心的部分，其技术难度很大，要求很高。
The GPS communication system and the vehicular medical power design are the most important parts of the ambulances for their complicated technology.
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