After the state civil aviation transportation corporations of our country are recomposed,several state-holding civil aviation transportation corporations with china airline,southern airline and eastern airline group taking the head,come into existence,and the modern civil aviation transportation corporation system is preliminary founded.
中国国有航空运输企业进行重组后,形成了以中航、南航、东航集团为首的国有航空运输集团公司,初步建立了国有控股的航空运输企业的现代企业制度。
By combining project trajectory real-time optimization of simple guided-bomb with control law,a design method about its controllable trajectory based on genetic algorithm and neural network was presented.
结合简易制导炸弹的方案弹道实时寻优技术和控制律,提出了一种以遗传算法和神经网络为基础的有控弹道设计方法。
Based on the operation principle of the weapon system with the multiple rounds pre-load in series in controllable firing way, the concepts of quasi-finite-volume combustion, quasi-interior-ballistics process, intensive coupling, weak coupling, non-coupling are proposed.
该文根据多发串联预装填有控发射方式武器系统的工作原理 ,提出了拟静力燃烧时期、拟内弹道过程、强耦合、弱耦合及非耦合等概念 ,详细分析了多发串联预装填有控发射方式武器系统内弹道物理过程 ,为多发串联预装填有控发射方式武器系统内弹道控制研究提供了理论依
A discussion on the controlled scrimping strategy in American new product R&D;
论美国产品研发中的“有控节余”策略
Based on the theoretical description of the train operating random process,by deeply analysing the influences of the control in random origin,the control in random processand their synthetical action,this paper presents a multi-time,multi-station interactive coursesimulation model of the train operation.
本文在对列车运行随机过程理论描述的基础上，深刻地分析了有控随机与随机有控因素以及二者的综合作用对列车运行的影响，进而给出了一种多时钟多车站交互进程式的列车运行仿真模型，该模型能比较符合实际地对列车运行进行有效模拟，为列车运行调整、运行延误分析和能力分析等一体化研究提供工具。
Based on the theoretical description of the train operating random process,by deeply analysing the influences of the control in random origin,the control in random processand their synthetical action,this paper presents a multi-time,multi-station interactive coursesimulation model of the train operation.
本文在对列车运行随机过程理论描述的基础上，深刻地分析了有控随机与随机有控因素以及二者的综合作用对列车运行的影响，进而给出了一种多时钟多车站交互进程式的列车运行仿真模型，该模型能比较符合实际地对列车运行进行有效模拟，为列车运行调整、运行延误分析和能力分析等一体化研究提供工具。