trajectory computation meaning in Chinese

弹道计算

Turbojet engine is selected as propulsion system according to the practical situation . the work of this part ranges from design to characteristic analysis . the characteristic curves of engine in various situation are shown , which provides preparation for trajectory computation
并对涡喷发动机从设计到特性分析做了大量的工作，给出发动机在不同工作状态下的特性曲线，为进一步研究弹道设计提供了前期的准备工作。
Design of two propulsion systems is studied - solid rocket ramjet and liquid ramjet . the performance analysis models and design methods are set up for these two kinds of engines . the different characteristics are analyzed and compared , which provide basis for farther trajectory computation and conceptual optimization design
( 4 )研究了两种动力装置? ?固体火箭冲压发动机和液体燃料冲压发动机的设计问题，建立了两种发动机的性能分析模型和计算方法，对固体火箭冲压发动机和液体燃料冲压发动机的特性进行计算分析及比较，为弹道计算及总体优化设计提供依据。