查询词典 projectile

Secondly, projectile flow and interaction flow field between base jet and flow around body are firstly calculated by higher-order implicit TVD algorithm finite volume in china, and are compared with experiment data and shadowgraph, and are found to be in good agreement.

其次，利用我们建立的高阶有限体积隐式TVD格式，在国内首次较详细地求解了旋成体弹丸及其绕流与射流相互干扰的湍流流场，同相应的实验数据及其流场纹阴照片进行了对比，表明计算结果准确反应了实际流场性质。

Establish an index system for the effectiveness evaluation of shoreward gunfire attack made by naval gun using semi-active laser terminal guidance projectile under the assistant irradiation of UAV.

92635部队，山东青岛 266041 分析舰炮使用激光半主动末制导炮弹对岸火力攻击的优缺点，对克服缺点提出可能的解决途径。

The national defence basic project as background and the dynamic model of cotrolled transfer matrix for multiple launch rocket was created in order to reduce the initial disturbance of rocket projectile. The causes that affect the angle change of orientation locator were analyzed by the engineering system dynamic theory base on multibody system transfer matrix method. The simulation of dispersion for multiple launch rocket was implementation, and the affect law between the angle of elevation and side deflection and the control parameters was acquired. The control module was installed on the orientation locator of multiple rocket launcher to control the initial disturbance of rocket that provide new method and theory base and show the engineering system dynamic base on the multibody system transfer matrix method is effective.

本文以国防基础科研项目为背景，建立了通过控制定向器角运动来减小火箭弹起始扰动的多管火箭受控多体系统动力学模型，应用基于多体系统传递矩阵法的工程系统动力学理论，进行了定向器角度运动的影响因素分析，进行了受控多管火箭炮发射动力学和密集度数值仿真，得到了定向器俯仰和侧偏角控制参数对俯仰角和侧偏角的影响规律，为在火箭炮定向器上加装控制集成模块控制火箭弹的起始扰动和射击精度提供了新思路和理论基础，也表明了基于多体系统传递矩阵法的工程系统动力学理论的有效性。

On this is mounted a new locally-developed two-person turret, armed with a 125 mm smoothbore gun fed by an automatic loader. The latter is mounted below the turret and first loads the projectile, and then the charge.

装备新的改进型号的二人炮塔，配备有125毫米滑膛炮和自动装弹机。

This paper expounds the trend of armor development in the future, points out that the multistage series shaped charge is the development of the high explosive anti tank projectile, analyses the active process of three stage series shaped charge and the main factors to affect the flame proof time ,and brings forward zero dimentional equation and synthetic test method of the flame proof time .

该文阐述了未来装甲发展的趋势，指出了多级串联聚能装药是破甲弹的发展方向；分析了 3级串联聚能装药的作用过程和影响隔爆时间的主要因素，提出了隔爆时间的零维计算公式和综合测试方法。

If the impulse force does not work on the centroid of projectile, the correction effect under OIT can achieve that when force work on the centroid, the machining and assemble tolerances can be lower, and a better correction can be achieved.

如果脉冲推力冲量没有作用于弹丸质心，有利触发时机的修正效果可以达到脉冲推力冲量作用于质心时的结果，降低修正弹药的加工装配精度要求，获得较理想的修正预期。

How is the horziontal component of velocity for a projectile affected by the vertical component?

水平组成部分是如何的速度为一个弹丸受到垂直分量？

The static aerodynamic characteristics of the projectile are computed using the software of CFD, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of WAF from engineering calculation are satisfactory.

应用CFD软件对弹静态气动特性进行数值计算，数值计算结果与工程估算结果吻合较好，说明卷弧翼的静态气动特性可以通过平板翼进行估算。

Navy 16"/50 firing a 16" Mark 8 Mod 6 AP projectile (the later Mod 7 and Mod 8 designs were post-WWII, so I usually do not count them and they were no better ballistically, to my knowledge) will hit at about 45° downward angle and 1607 feet/second (489.8 m/sec).

就算它以2500 feet/second (762 m/sec)和 45°倾斜角命中标靶，一样不能在这装甲上开洞。即使是垂直击中仍不能完全穿透它。

The pertussis vaccine may cause fever as high as 106 degrees, pain, swelling, diarrhea, projectile vomiting, excessive sleepiness, high-pitched screaming (not unlike the so-called cri encephalique, or encephalitic scream associated with central nervous system damage), inconsolable crying bouts, seizures, convulsions, collapse, shock, breathing problems, brain damage, and sudden infant death syndrome.

百日咳疫苗也许会引起高达106华氏度的高烧，疼痛，肿胀，腹泻，喷射式呕吐，整天昏昏欲睡，高声调的尖叫(和称为喊叫脑炎或者与中枢神经系统损伤的脑炎尖叫相象)，难以自拔的不断叫喊，惊厥，抽搐，虚脱，休克，呼吸困难，脑部损伤以及婴儿卒死综合症。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。