过渡轨道,transfer orbit
1)transfer orbit过渡轨道
英文短句/例句

1.Transition Orbit Optimization Research of Space-to-ground Kinetic Weapon天基对地打击武器最优过渡轨道研究
2.Transition trajectory planning and guidance for orbital bombing vehicle轨道轰炸飞行器过渡段轨道设计与制导
3.Research on Transition Section between the Ballasted Track and Ballastless Track on Subgrade of High-speed Railway高速铁路路基上有砟轨道与无砟轨道过渡段研究
4.GUIDANCE-NAVIGATION CONTROL OBOUT ASCENT STAGE AND ORBITAL TRANSITION STAGE OF A SHUTTLE航天飞机上升与轨道过渡段制导-导航控制
5.Research on Dynamic Characteristics of Subgrade Transition Zone for Ballastless Tracks on High Speed Railway;高速铁路无碴轨道过渡段路基的动力特性研究
6.Problems and Their Countermeasures in the Transition Period of Urban Rail Transit Construction;城市轨道交通建设过渡期的问题与对策
7.Test Study on the Dynamic Performance of the Track Structure at the Transition Section between Bridge and Plain Track路桥过渡段轨道结构的动力性能试验研究
8.A Molecular Orbital Theory Study on the Variation of the Core Symmetry of the Tetranuclear Early Transition-Metal Clusters前过渡金属四核原子簇簇骼对称性变化的分子轨道理论研究
9.Field Test of Subgrade-Tunnel Transition Section of Ballastless Track on Suining-Chongqing Railway and Subgrade Structure FEM Calculation;遂渝铁路无砟轨道路隧过渡段实车测试及路基结构FEM计算
10.Field Test on Subgrade-Culvert Transition Performance of Ballastless Track and Subgrade FEM Analysis on Suiyu Railway;遂渝铁路无砟轨道路涵过渡段性能实车测试及路基结构FEM分析
11.Transitioning or reducing duct. Type of transition can be specified.过渡或渐缩管道。可指定过渡类型。
12.Offset transitioning or reducing duct. Type of transition can be specified.偏移过渡或渐缩管道。可指定过渡类型。
13.Study of Longitudinal Forec for the Seamless Turnout Scissors Crossing on Ballastless Bridge;无砟轨道桥上无缝道岔交叉渡线纵向力研究
14.The act or process of going out of orbit.脱离轨道脱离轨道的行为或过程
15.Economics analysis on price dual-track of shipping industry in economic transition;经济转型中航运价格双轨制过渡的经济学分析
16.To cross(a body of water) by a ferry.乘渡船渡过(水体)
17.You know, we're going through a transition right now.你要知道,我们正处于一个过渡转型期.
18.Research of Tunnel Technology s Security of IPV4/IPV6 Transition Mechanisms;IPV4/IPV6过渡的隧道技术安全探究
相关短句/例句

Track transition轨道过渡段
1.In the paper, a conclusion different from traditional views are presented, after computer analysis of track transition considering various work conditions and discussion of two factors influence on dynamic coefficient of track transition by using FEM dynamic computational model in which vehicle and track are considered as a coupled body.利用车辆—轨道耦合动力有限元计算模型 ,对轨道过渡段不同工况进行仿真分析 ,讨论了两种因素对轨道过渡段动力系数的影响 ,得出不同于传统观点的结论 。
3)transition flue duct过渡烟道
1.Through numeric value simulation of transition flue duct between outlet of the gas turbine and inlet of the boiler proper, the velocity distribution in outlet flue duct with upper surface plate of different elevation angle has been obtained.通过对燃气轮机出口与锅炉本体进口之间过渡烟道的数值模拟 ,得出不同仰角上面板烟道出口的速度分布。
4)transition tunnel过渡隧道
5)crossover[英]['kr?s??v?(r)][美]['kr?s'ov?]渡线,转线轨道
6)street transitional space街道过渡空间
延伸阅读

过渡轨道过渡轨道transferorbit使航天器脱离原先飞行的轨道进入另一条轨道的过程中所采用的轨道。最著名的过渡轨道是霍曼轨道,它是两条同心共面圆轨道之间的一条椭圆轨道,既与内圆外切又与外圆内切。为了使航天器在这两条轨道之间过渡,只需在这条椭圆轨道与两条圆轨道的两个切点上施加两个切向速度脉冲增量(同为加速或同为减速)便可实现。为了节省运行时间,可选用双曲线或抛物线过渡轨道,消耗能量并不太多。在两条不同轨道之间的过渡轨道并不是唯一的,过渡轨道最佳化理论就是要寻找在某种条件下消耗能量最省的过渡轨道。在航天工程中,过渡轨道的选择要综合考虑能量消耗、飞行时间、制导精度、测量和控制条件等因素。