As one of public transit system's important carriers, motor-bus has been receiving more and more attention in the research of its accident safety from both domestic and foreign scholars.
大客车作为公交系统的重要载体之一，其事故安全性方面的研究正受到国内外学者越来越多的关注。
2
BYD has created an entirely electronic bus using special batteries and a special electronic motor.
比亚迪制造出了一个完全靠电能驱动的巴士，这种巴士使用特殊的电池和特殊电动马达。
3
An electric motor propels the bus, but its regenerative braking system also pressurizes hydraulic fluid.