弹丸

Small piece of shot,esp for firing from an airgun

小弹丸。

With this model analytical solutions for differential equations of the projectile's motion within an ideal bore can be obtained. Comptations for some projectile...

求得了对称弹丸在理想身管中的运动微分方程的解析解，并对某些弹炮系统进行了计算，得出了一些有用的结论。

Gyro simulation test of the high-speed rotatable projectile angular motion is one of the key technology of the physical simulation system.

高速旋转弹丸角运动的陀螺模拟测试是弹载机构物理仿真系统的关键技术之一。

In order to improve the measuring accuracy and efficiency, a high accuracy inspecting system for measuring the centroid and centroidal deviation of bullets based on three point method is designed. The working principle, relevant calculation formulae and the measuring equipment for measuring the centroid and centroidal deviation of bullets are presented, and the main factors affecting measuring precision are discussed. Then, a multiple measuring platform with automatic leveling and column structure autorotation of 90° is put forward.

为了提高其测量精度和效率，设计了基于三点法的高精度弹丸质偏心测量系统，介绍了测量原理、计算公式和测量设备，分析了测量误差产生的因素，提出了一种多测试平台和自动调平以及弹体自动旋转90°的设计思想。

As we begin chewing, the tongue shapes food in a ball-shaped bolus for swallowing.

当我们开始咀嚼，舌头能塑造食物如一个球形弹丸为了进行吞咽运动。

It is effective to study the effect to the vibration of antiaircraft gun, by gun vehicle moving and bump、barbette traversing and cradle pitching、gun house recoil、Bourdon force、the mass center diviation and inertial imbalance of inbore projectiles, etc.

可以模拟在射击过程中，火炮自动机的运动、自行高炮的行驶与颠簸、炮塔回转与摇架起落运动、炮箱后坐、复进运动、Bourdon力、被发射弹丸的质量偏心、不端正嵌入、动不平衡等等各种因素的激励作用对高炮总体系统振动的影响。

Among a great deal of effects that affect the firing precision of gun, the muzzle blast wave is an important factor.

在诸多影响射击精度的因素中，膛口流场对弹丸的扰动是一个重要因素。

So it is important to make research on muzzle flowfield, and analyze the effects of muzzle blast wave on the firing precision of gun.

所以对膛口流场进行研究，并分析膛口流场对弹丸的影响，对于指导实验和改进火炮射击精度很有意义。

In this paper,the influence of oblique shot on time-lag estimation is studied.

在一些射击场合中，弹丸与靶平面并不一定垂直，这时，利用弹道激波测量弹着点时，就需要考虑弹丸斜入射带来的影响。

Definition of rolled homogeneous armor equivalences for the ability of advanced armor defending kinetic energy projectiles was brought forward.

该文阐述了先进装甲对动能弹防护能力在极限穿透速度和剩余穿深准则下的等效靶定义，结合实例分析了建立等效靶的影响因素，分别分析了基准函数的选取、等效准则、弹丸的材料形状及弹丸速度等因素的影响，阐述了等效靶在实际应用中应注意的问题。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。