轨道过渡 meaning in English

orbit transfer
transfer between orbits

They are available for viewing at over the next seven months , the orbiter will " aerobrake , " dipping into mars " atmosphere and gradually changing its elliptical orbit into a near - circle about 185 miles above the planet ' s surface
在以后的7个月内， mro将缓慢沉入火星大气层，并渐渐由椭圆形轨道过渡到距火星表面约185英里300公里的近圆轨道。
Abstract : a mechanical model to analyze the dynamic performance of train and transition section between roadbed and railway bridge was established a nd a series of reasonable criterions were put forward too . based on this , the init ial deformation of rails due to different subsidence of roadbed and bridge abutm ent , the effects of the direction and speed of train on the dynamic performance o f wheel / track system were studied . at last , the method to determinate the length o f transition section was suggested
文摘:建立了列车与路桥过渡段动力特性分析模型，确定了一套轨道过渡段动力特性的评价指标，分析了由基础沉降差引起的钢轨初始变形以及行车方向、行车速度对轮轨系统动力性能的影响，提出了确定路桥过渡段长度的方法。