This article studies the six-degree-of-freedom trajectory simulation of small multiple stage solid launch vehicles with control systems using lateral jet thrusters and grid fins.
针对控制系统采用侧喷流发动机和栅格舵的新型小型多级固体运载火箭开展六自由度弹道仿真研究。
Thus, the multiple stage blower can provide faster pressure response and desired flow characteristics over a narrower range of motor speeds, resulting in greater reliability and less acoustic noise.
因此，该多级吹风机可以在较窄的马达速度范围内提供较快的压力响应和需要的流动特性，从而更可靠和产生较少的噪声。
By the end of the Song Dynasty, the Chinese invented multiple-stage rockets.
到宋朝末期，中国人发明了多极火箭。
The decolorization ratio of syrup in sulfitation process is higher through experiments with multiple-stage flotation of syrup than that with single-stage flotation.
实验证实，糖浆多级上浮清净法比普通单级上浮法更能使亚法糖浆获得较高的脱色率。
The optimization problem was formulated as a multiple-stage optimal control problem and solved by a forward and backward iteration loop.
整个最优化问题被描述成一个多阶段系统优化控制问题，通过一个向前和向后的迭代循环解决。
The results showed that the second solvent used in multiple-stage solvent-exchange technique and shrinking temperature have an important effect on separation performance.
试验结果表明，所采用的第二溶剂及热处理温度对膜分离特性有重大影响。
The results showed that the second solvent used in multiple-stage solvent-exchange technique and shrinking temperature have an important effect on separation performance.
试验结果表明，所采用的第二溶剂及热处理温度对膜分离特性有重大影响。
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