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   现代火箭 的翻译结果: 查询用时:0.262秒
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现代火箭
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  modern rocket
     The Whole Story of the Design and Test of Beijing No.2 Modern Rocket
     现代火箭“北京二号”研制始末
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     This paper tells the whole story of modern rocket and test by the Beijing Institute of Aeronautics in the late 1950s.
     北京航空学院在20世纪50年代末研制和试验现代火箭──“北京二号”。
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  相似匹配句对
     The Whole Story of the Design and Test of Beijing No.2 Modern Rocket
     现代火箭“北京二号”研制始末
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     The Modern Residence
     现代家居
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     Modern workwear
     现代工装
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  modern rocket
The main engineering proposals of a scientist of great originality, which found applications in modern rocket and space engineering, are briefly analysed.
      
Most of modern rocket propellants consist of a polymer matrix (i.e.
      


This paper tells the whole story of modern rocket and test by the Beijing Institute of Aeronautics in the late 1950s.The au thor tries to prove that the Beijing No.2 Rocket is the No.1 modern rocket in As ia.

北京航空学院在20世纪50年代末研制和试验现代火箭──“北京二号”。通过对“北京二号”研制始末的介绍,说明它是中国乃至亚洲的第一种现代火箭

Basic properties of traditional rocket-firework powders have been compared with expired propellants. Technical requirements for propellant for traditional rocket-firework powder and modern rocket fireworks have been described. Key techniques that might be solved by using expired propellant to produce rocket-firework powders with stable burning and smokless properties as well as the trends for future development have been put forward.

本文分析比较了传统火箭烟花发射药和退役推进剂的燃烧性能,阐述了传统火箭烟花和现代火箭烟花对发射药的技术要求,指出了利用退役推进剂制备燃烧稳定、无烟的火箭烟花发射药所应解决的关键技术及火箭烟花今后的发展方向。

>=When the mutiple rocket launcher is designed ,the height of fire line should be reduced as far as possible in order to assure the stability of the mutiple rocket launcher in firing and traveling At the same time ,for avoiding the gun breech touches the ground at the largest angle .usually the engaging lug is placed at the back of the centre of gravity of the elevating part .The weight of the elevating part will produce gravity moment to the engaging lug .The balancer should be put in all modem mutiple rocket...

>=When the mutiple rocket launcher is designed ,the height of fire line should be reduced as far as possible in order to assure the stability of the mutiple rocket launcher in firing and traveling At the same time ,for avoiding the gun breech touches the ground at the largest angle .usually the engaging lug is placed at the back of the centre of gravity of the elevating part .The weight of the elevating part will produce gravity moment to the engaging lug .The balancer should be put in all modem mutiple rocket launchers to avoid the gravity moment effects the operation and aiming of the mutiple rocket launcher .The balancer is used to produce balance moment to balance the gravity moment of the elevating part .First of all, the change law of the gravity moment of the mutiple rocket launcher is analyzed in this paper .Then the balancer type of laminated leaf spring is designed and calculated ,and the base construction and size of the balancer is ensured .The analysis of working process and the evaluation of strong and weak points for the balancer are made at the last of the paper.

在进行火箭炮设计时,为避免火炮尾部在最大射角时与地面相碰,通常将耳轴布置在起落部分重心的后方,起落部分的重量对耳轴产生重力矩,为克服重力矩对火箭炮操瞄的影响,现代火箭炮均应设置平衡机,其作用就是提供一个平衡力矩,以平衡起落部分对耳轴的重力矩。本文首先对火箭炮的重力矩变化规律进行分析,然后对叠板式平衡机设计计算,选定平衡机的基本结构和尺寸,最终得出平衡机的工作过程分析及其优缺点的评价。

 
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