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1·By then, an emergency vehicle had appeared behind the car. I went over to talk to the driver.

这时，一辆紧急抢险车停在了小车的后面，我朝着司机走过去。

2·I cried for help until the ski patrol came to rescue me. An emergency vehicle brought me down the hill.

我大声呼救，终于等到来救我的滑雪巡逻队，然后被紧急救援车辆给送下山。

3·The first emergency vehicle shot past Sharon. She frantically waved her arms to get the driver's attention.

第一辆急救车箭一般地从沙龙身边驶过，她拚命地挥手要引起司机的注意。

4·This problem involves determining the number of routes available to an emergency vehicle operating in a city of one-way streets.

本问题是要来计算：在一个所有街道都为单行线的城市中，一辆急救车可以通行的路径的数量。

5·It takes an emergency vehicle an average of 15 seconds to go one block in the N-S direction and 20 seconds in the E-W direction.

应急车辆驶过一条南北向的街道平均要花15秒，而通过一条东西向的街道平均要花20秒。

6·The system is powered by a 12-volt receiver and a 12-volt transmitter that can be recharged from the mains or an emergency vehicle.

该系统的能源由一台12伏的接收机和一台12伏的发射机提供，它们可从公用电源或救急车中充电。

7·A reasonable snow emergency vehicle scheduling could not be achieved based on personal experience because of the complexity of urban road network.

城市道路网络复杂，合理的除雪车辆调度方案仅仅依靠人工经验无法实现。

8·Abstract:In order to improve the emergency response of freeway, an optimization model for emergency vehicle dispatching was established by integer programming.

为改善高速公路突发事件的响应效率，利用整数规划，建立了应急车辆优化调度模型。

9·This paper mainly focus on the accident or disaster in more severe cases, more than one emergency vehicle need to pass a signal intersection at the same period.

本文主要研究在灾害较为严重的情况下，来自不同进口方向的多辆应急车辆需要在同一时段内通过信号交叉口时的信号控制问题。

10·Ambulance, fire engine and engineering emergency vehicles must provide Certificate of vehicle Using Character issued by local administration at county level or above.

救护车、消防车、工程救险车需提交县级以上主管部门出具的车辆使用性质证明。