Ballistics: the study of the dynamics of projectiles.
弹道学：关于射弹动力学的研究。
Ballistics tests will help explain what happened, he said.
弹道检测有助于解释事情真相，他说。
The method is suitable to all models of interior ballistics of guns.
这种方法可适用于任何火炮内弹道模型。
Ballistics: Science of propulsion, flight, and impact of projectiles.
弹道学：研究射弹的动力、飞行和弹著作用的科学。
The ballistics report indicated that Khalil Musa was hardly a random victim.
弹道报告表明，穆萨并非随机的被害者，他身中九弹。
Ballistics. And find out if there's been any ransom kidnappings reported.
做下弹道测试。再查查看有没有为赎金的绑架案记录。
Setting up a performance modeling of the devices on the base of interior ballistics.
在经典内弹道理论基础上建立了火工分离装置的性能计算模型。
A suborbital vehicle is limited by the laws of ballistics and only lasts a few minutes.
亚轨道运载工具受轨道定律所限，只能呆上几分钟。
The interior ballistics synchronism of solid boosting rockets is discussed and analyzed.
探讨和分析了固体火箭助推器内弹道的同步性问题。
The weapons are undergoing ballistics tests to see whether they were used in the shootings.
这些武器正在接受弹道测试，以确定它们是否曾用于枪击案中。
The paper introduces a new theory and method to investigate the stability in the exterior ballistics.
该文提出了外弹道学中研究动态稳定性问题的一种新理论和新方法。
Finally, the technical measures to realize the consistency of interior ballistics performance were discussed.
探讨了对于特定的装药结构如何达到弹道性能一致性的技术途径。
The influence of structure axial vibration on the internal ballistics of solid rocket motor was investigated.
文中研究了固体发动机结构的轴向振动对燃烧室内弹道性能的影响。
They said they were waiting for ballistics tests to confirm that the same gunman was involved in both incidents.
并称正在 等待进一步的弹道测试以确定是同一人所为。
The modified model and its program are satisfactory for engineering applications of such interior ballistics problems.
改进后的模型和程序对这种内弹道问题的工程应用是令人满意的。
It's an entertaining read, and you'll also learn a bit about things like ballistics, DNA, the oceans, and the atmosphere.
这本书能给你带来愉悦，同时你还能学到些东西，比如说，弹道学，DNA，海洋，以及大气层等。
Neither technique is complicated or new, but the combination of images and ballistics had never been used for launch analyses before.
这一技术并非什么新颖复杂的技术，但是把成像技术和弹道学综合运用在以前的发射分析中是不曾有过的。
Results A zero dimensional model of the interior ballistics was constructed, and the calculation results obtained are satisfactory.
结果给出了该方案完整的内弹道计算模型及计算方法，并对其进行实例计算，得到比较满意的结果；
Based on the mechanism of gun erosion of interior ballistics, the method and process of predicting the gun tube life are presented.
该文根据火炮膛内烧蚀机理，提出了预测身管寿命的过程和方法。
The interior ballistics process of the new small arms is analyzed in detail and the corresponding mathematical models are proposed also.
详细剖析了新概念武器内弹道物理过程，建立了内弹道分析模型。
The phenomenon of aerodynamic heating and ablation for hypervelocity projectues seriously affects the characteristics of the exterior ballistics.
超高速弹箭存在的气动加热烧蚀现象会严重影响其外弹道特性。
The researches indicate that the greater the firing rate is, the stronger the coupling phenomenon of interior ballistics among the adjacent fired bullets is.
研究结果表明射击频率越高，前发弹与次发弹之间的内弹道耦合现象越强烈，并会影响到弹丸出膛口参数和射击精度。
Exploration is made of computation correcting method for parameter effects of free recoil on the ballistics when the wheels of recoil trailer are moving in test.
研究了有关自由后坐试验车车轮转动对弹道自由后坐参数影响的修正计算方法，给出了修正计算方法及计算结果。
External Ballistics deals with projectile flight. The trajectory, or path, of a projectile is subject to the forces of gravity (see gravitation), drag, and lift.
外弹道学是研究射弹的飞行，弹道是射弹在重力、拖曳力和升力作用下的飞行路线。
The results showed that the main influencing factor to the interior ballistics of solid motor with high energy propellant is the slow descending of burning rate.
结果表明，燃速缓慢下降是影响高能推进剂发动机内弹道性能变化的主要因素。
The numerical simulation was carried out to compute internal ballistics by segmented analytical method in the assumption of grains steady flow of burning product.
在内弹道计算中，设燃烧产物为准定常流动，使用分段解析法进行内弹道的数值模拟。
In this paper, is developed a physical model with the ignition process taken into account, for the internal ballistics calculation of solid propellant rocket motors.
本文根据提出的考虑点火过程的内弹道计算的物理模型，建立了数学方程。
Moving boundary problem can easily be solved with equations under the Lagrange Coordinate System for numerical computations of homogenous flow in interior ballistics.
对内弹道均相流数值计算，用拉格朗日坐标下的方程组，容易处理运动边界问题。
This paper established the internal ballistics equation for the high-low pressure launcher with tandem construction when the rocket motor is ignited in the launch tube.
本文建立了火箭发动机在管内点燃情况下，串联结构的高低压无后座力发射器的内弹道方程，并对试验弹进行了数值计算。
This paper established the internal ballistics equation for the high-low pressure launcher with tandem construction when the rocket motor is ignited in the launch tube.
本文建立了火箭发动机在管内点燃情况下，串联结构的高低压无后座力发射器的内弹道方程，并对试验弹进行了数值计算。
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