本文首先以地铁动车设计为例，指出采用逆导晶闸管电流源逆变器是普通逆变器实现小型化的一个较好的方案。
Taking the design subway coach as an example, the article points out that it's an ideal schema to use current source inverter with re - verse conducting for common inverter to be minified.
好吧，这不是双轮自行车，这是独轮车——它的设计理念也和那种需要你先动它再动的普通自行车理念向左。
Okay, so this isn't a bicycle, it's a unicycle - and the concept is totally contrary to the essence of a bicycle, which requires some kind of effort on behalf of the rider in order to move.
事与愿违，这个鼓励并没有发挥混动车的优势，因为混动车在设计时就主要考虑到了频繁起步停车过程时利用汽车发电机制动而将汽车的动能转化为电能储存在蓄电池里面，从而提高了燃油经济性。
Equally perversely, this waiver fails to take advantage of the particular benefits of hybrids, which are built for stop-go traffic where braking recharges the battery and boosts fuel economy.
上海轨道交通1号线扩编项目的中间动车需要由铁路运输完成，因此需要设计运输接口箱以代替A车功能。
Since the midst motor coach of Shanghai URT Line 1 Expansion Project has to be transported by railway, its necessary to design an interface box as the substitute of A-car.
本文借助CATIA软件，结合磁悬浮列车动车段工程实例验证了工程设计的三维建模与仿真理论的合理性。
With the software, CATIA, the rationality of the method on Tri-Dimensional digital modeling, simulation and analysis is verified by the example of the depot of magnetic levitation train.
分析了JZ—7电空制动系统的基本组成和作用原理，提出了在动车组加装尾部动车单独缓解功能的设计方案。
The fundamental composition and functional principles of the JZ-7 electro-pneumatic braking system are analyzed in detail.
分析了JZ—7电空制动系统的基本组成和作用原理，提出了在动车组加装尾部动车单独缓解功能的设计方案。
The fundamental composition and functional principles of the JZ-7 electro-pneumatic braking system are analyzed in detail.
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