查询词典 ballistics

A physical model of the process of two propulsions is proposed, and a mathematical mode of interior ballistics of two propulsions is also established based on a 12.7mm test gun, while general effects of various parameters upon maximum pressure and muzzle velocity are revealed.

提出了二次发射过程的物理模型，并以12.7mm弹道枪为对象建立了膛内二次发射内弹道数学模型，分析了参数变化对膛压和初速的影响规律。

According to the data analysis of erosion and damage of a cannon barrel,the paper locates the characteristic planes of erosion and abrasion,and then uses several characteristic planes to describe the change of interior ballistics.

通过对某加农炮的身管烧蚀磨损特征数据进行分析整理，确定了身管烧蚀磨损特征面，采用了多特征面来表述火炮内弹道性能变化。

Two-phase flow ; interior ballistics ; propellant ; pressure wave

两相流；内弹道；火药；压力波

The 14.5 mm armour-piercing bullet has a muzzle velocity of 1012 m/s and good ballistics.

在14.5毫米穿甲子弹的初速的一○一二米/ s和良好的弹道。

The projectile motion touching the bore wall with the bourrelet, an important project in ballistics, is included in the analysis solution to a general Ricatti equation.

将在弹道学中具有重要地位的弹丸前定心部紧贴膛壁的运动问题〓，首次归结为一般的Ricatti方程的求解问题，找到了相应的足够精确的解析解。

Based on conventional ballistics theory,the mathematical model of the ballistic trajectory which adopts low and high pressure chamber fire mode is established for the small cluster tear bomb.

本文针对小型子母式催泪弹，采用经典弹道理论建立了高低压室发射方式的内外弹道数学模型。

In the flying course of the low-speed revolving rocket, deflective flow willappear due to the nutation effect, the method of calculating the deflective flow based on the exterior ballistics is given, and the simulation result with some examples is also stated.

低速旋转火箭弹在飞行过程中，由于章动因素的影响产生偏流。本文根据外弹道学理论给出偏流的计算方法，并结合实例给出仿真模拟结果，通过计算分析偏流对多管火箭弹飞行轨迹的影响

Advanced ballistics are implemented for all flyable aircraft, including ricochets of AP rounds

先进的弹道实施轰炸机的所有飞机，包括美联社轮跳跃

At last,according to the identification,with the oneˉdiˉ mensional unsteady methods, the internal ballistics performance of S RM with highˉoctane propellant during storage was researched, and compared the calculated date with the testing dat a, the result showed the model and methods were reaˉ sonable and effective.

基于参数辨识，采用一维非定常模型对高能固体推进剂贮存条件下发动机内弹道性能进行了预示，并与试验结果进行了比较分析，计算表明所建模型合理，方法有效。

We claimed victory in the battle in an unnecessarily messy brawl that saw our medium vessels chase down the enemy--a battle that probably could have been less messy had we carefully negotiated the seas and the wind direction, because Empire, like other Total War games before it, physically models the ballistics of all missile weapons, so the crafty British ships turned at odd angles, requiring our ships to turn in reaction to lay broadsides, and occasionally landing fire on our own ships.

我们胜利的战斗中的不必要的混乱斗殴的看到我们的中型船只大通下跌的敌人-一场可能本来可以减少混乱了认真的谈判，我们的海洋和风向，因为帝国，像其他共计战争游戏面前，身体的弹道模型的所有导弹武器，所以狡猾的英国船只变成奇数的角度，需要把我们的船在反应奠定broadsides ，偶尔在我们到达火灾自己的船只。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。