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弹重
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  shell-weight
     SOLUTION OF PROBLEMS OF SHELL-WEIGHT OPTIMIZATION IN EXTERIOR BALLISTICS DESIGN
     外弹道设计中的弹重最优化问题求解
短句来源
     This article tries to solve two basic and important problems of shell-weight optimization in exterior ballistics design, and tries to establish the concept and criterion of "logical shell-weight".
     本文求解了外弹道设计中两个基本而重要的弹重最优化问题,还重新确立了“合理弹重”的概念与判据。 两个问题是:给定最大射程X_m,求使膛口动能E极小的最优弹重q~*;
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  “弹重”译为未确定词的双语例句
     5) Flying weight: 1.36kg6) Initial speed: 206m/s;
     5)弹重:约1.36kg; 6)初速:206m/s;
短句来源
     Test firing was performed in 30mm gun. The muzzlevelocity was significantly raised to the leved of the most advanc-ed gun of same caliber in western world in the condition that q,W_o and P_m kept the same.
     并且将这种火药应用在某30mm口径的火炮上,使其弹道性能得到了大幅度提高,与八十年代国外装备的同类先进火炮相比,在弹重、药室容积、最大压力、身管长度等弹道条件相同的情况下可达到相同的初速水平.
短句来源
     When the mass of projectile,gun barre length and peak pressure in the chamber are kept unchanged,and when taking one third of the total propellant mass as the traveling propellant,the enclosed mode can increase the muzzle velocity by 116m/s,that is 6.7%,while the adhered mode can increase the muzzle velocity by only 66m/s,that is 4%.
     在最大压力、弹重、弹丸行程不变的假定条件下,当随行药为全部装药质量的30%时,包容式可提高初速116m/s,即6.7%; 而粘结式只能提高66m/S,即3.8%。
短句来源
     Steel projectiles are launched at impact velocities of 1 300 m/s or so by a cannon. It penetrated thin A3 steel spaced targets with big distance. The process of projectile against multi-layer targets with big spacing is simulated with explicit finite element software LS-DYNA3D.
     利用显式动力有限元程序对用 37火炮发射的着靶速 1 30 0 m/s左右钢弹侵彻大间隔多层 A3薄钢靶板的过程进行了数值模拟 ,分析了弹速、弹重、弹形等影响因素对侵彻过程的作用规律 ,计算结果和实验结果得到了较好的吻合。
短句来源
     Through analyzing the change of the velocity and acceleration of the projectile under different penetrating velocity and weight of the projectile,we find the change regularity and provide the theory basis for the optimum design of the penetration fuze and the selection of the high G sensor,and solve the complex problem of process calculation.
     通过分析不同弹速、不同弹重产生的弹丸速度及加速度的变化,找到其中的变化规律,为硬目标侵彻引信设计中的参数优化及抗高过载加速度传感器的选择提供理论依据,解决了过程计算的繁琐问题。
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  相似匹配句对
     CHAPTER 5 MARINE SEDIMENTATION Section 4 Heavy Mineral
     矿物
短句来源
     Health Bomb
     健康
短句来源
     making full use of conditions and connecting across;
     条件。
短句来源
     Mass Drift at the Beginning of Deep Inelastic Heavy Ion Reactions
     离子深部非反应初期的质量转移
短句来源
     SOLUTION OF PROBLEMS OF SHELL-WEIGHT OPTIMIZATION IN EXTERIOR BALLISTICS DESIGN
     外道设计中的最优化问题求解
短句来源
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  shell-weight
Optimum growth conditions as opposed to calcite saturation as a control on the calcification rate and shell-weight of marine for
      
There is no relationship between the intertidal height and the shell-weight/meat-weight ratio.
      


This paper presents an effective design method of the spin-stabilized rocket. The parameters obtained by this method will not only satisfy the require-ments of the maximum range and fire power, but also will make the lengthof rocket charge optimum and the diameter of rocket projectile minimumwilh the lightest total projectile weight.

本文提出了一种涡轮式火箭弹设计的有效方法、按这种方法求出的参量既能满足射程和威力要求,又能使发动机的装药具有最好的长度,而且使火箭弹的外径最小而弹重最轻。

In order to lighten the weight of a rocket and reduce the deviation indirection as much as possible, a mathematical model of the optimizationmethod that can be used to seek an optimal plan of exterio? ballisticsdesign has been developed in this paper.In addition, some correspondingcalculation methods are given and discussed briefly.

本文从尽量减轻弹重和减小方向散布的角度出发,建立了寻求尾翼式火箭弹最佳方案的外弹道优化设计的数学模型。此外,还给出了相应的计算方法并作了简要的讨论。

In order to seek the solution of interior ballistic design of 57mm anti-airplane gun, this paper applies the parameter design, that is the most im-portant stage of design in the process of three-time design used extensively ab-road. Thereby under the influence of interference of charge temperature, guntube woar and projectile weight, the stability of interior ballistic data got inthis paper is more satisfactory than in the project available.

本文采用在国外广泛使用的,在三次设计过程中最重要的设计阶段——参数设计来解57毫米高炮的弹道,从而,在装药温度、炮膛磨损和弹重的干扰影响下,所求得的内弹道诸元的稳定性较现行的方案更为优良。

 
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