沃尔沃汽车公司安全战略部负责人Jan Ivarsson一直相信制造出零死亡率汽车的可能，沃尔沃公司正在研制可以自动躲避“不速之车”的装置，安装这些装置的车还可以发觉闯入车道的步行者并自动刹车。
The company is experimenting with devices that would automatically steer away from an oncoming vehicle. Such a car would also spot a pedestrian stepping into the road and brake.
介绍了一种以液压油缸为执行元件的新型无极绳牵引车的自动张紧装置，并对其系统的结构和工作原理进行了分析。
A new-type automatic take-up of the endless rope towing vehicle with the hydraulic cylinder as actuator was introduced, and the configuration and operational principle of the system were analysed.
介绍了一种以液压油缸为执行元件的新型无极绳牵引车的自动张紧装置，并对其系统的结构和工作原理进行了分析。
A new-type automatic take-up of the endless rope towing vehicle with the hydraulic cylinder as actuator was introduced, and the configuration and operational principle of the system were analysed.
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