并以某小型涡喷发动机为例，沿飞行轨迹计算分析了射流预冷却对发动机性能的影响。
Taking the certain small scaled turbojet as an example, the influence by mass injection and pre-cooled engine was calculated and analyzed along fly trajectory.
文章介绍了用于电火花线切割机床连续轨迹式数字程序控制的射流装置。
In this paper a fluidics device of continuous-path numerical control system for electrical spark machine tool is presented.
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
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