求翻译：　　据了解，之所以不同车系和品牌的保养周期大不相同，是由不同车辆的具体技术情况存在差异造成的。不同品牌的车辆配有不同设计的发动机，有些发动机的材质较好、精密度较高，磨损就会相对小一些；而有些则对机油的要求更高一些，甚至会有特殊的要求。是什么意思？

It is understood that the reason for the different cars and different brands of maintenance cycle is determined by the specific technology of different vehicles there is diversity. Different brands of vehicles with engines of different designs, some of the material better engine, high precision, wea

It is understood that the reason why the different models, brands and maintenance cycle differ from different vehicles, is the difference in specific technical information. Different brands of vehicles are equipped with different designs of engine, and some of the engine, precision material is bette

　　According to understanding, the reason that does not take the same bus is and the brand maintenance period entirely different, is creates by the different vehicles concrete technical situation existence difference.The different brand vehicles have the different design engine, some engine material

　　It is understood that the service intervals of different cars and brands vary greatly, are specific technical difference caused by different vehicles. Different branded vehicles equipped with different design of engine, some material better, higher precision engine, wear will lower; and others on

　　It is understood that the service intervals of different cars and brands vary greatly, are specific technical difference caused by different vehicles. Different brands of vehicles equipped with engines of different designs, some engines the material better, higher precision, wear will lower; and s