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1)  projecting angle
抛射角
1.
The best projecting angle of non-ideal projectile;
非理想抛体的最佳抛射角
2.
The formulae of time and range of pro- jectile with the projecting angle taking account into air friction are obtained by using the approximate method to solve the equation.
运用近似的方法处理超越方程,给出了考虑空气阻力的抛体运动落地时间和射程与抛射角的近似解析关系,并且与数值解进行了比较。
2)  projection angle equation
抛射角方程
1.
The projection angle equation of flyer plate under detonation driving;
爆轰驱动平板的抛射角方程
2.
In the moving reference frame, regarding the material as incompressible fluid and considering the force between the neighbouring segments, from the momentum equation, a projection angle equation of the planar flyer plate under detonation driving was deduced in this article.
在运动坐标系中,将材料视作不可压缩流体,考虑流体微元间的相互挤压作用,由动量方程出发,推导出爆轰驱动二维平板过程中物质元的抛射角方程,解该方程,得到抛射角公式的一般表达式,泰勒公式是该方程在定常条件下的解。
3)  optimal throw angle
最佳抛射角
4)  projection angle formula
抛射角公式
1.
Solving this equation, a general expression of the projection angle formula was obtained and the Taylor formul.
在运动坐标系中,将材料视作不可压缩流体,考虑流体微元间的相互挤压作用,由动量方程出发,推导出爆轰驱动二维平板过程中物质元的抛射角方程,解该方程,得到抛射角公式的一般表达式,泰勒公式是该方程在定常条件下的解。
5)  ideal flying out angle of shot
铅球理想抛射角
1.
We derive the relation of the ideal flying out angle of shot and calculate the best corresponding valuo of the ideal flying out angle and the maximum putting dis- tance,starting from locus equation of the starting throwing objects,using simple prima- ry mathematical method,as trigonometry,and evaluating root formulas of quadric e- quation.
从斜抛物体轨道方程出发,用二次方程求根公式和三角学等初等数学的简易方法,推导铅球理想抛射角的关系式。
6)  projecting [英][prə'dʒekt]  [美][prə'dʒɛkt]
抛射
1.
Following aspects are mainly discussed: the definition, pr operties and categories of systematic boundary, information sift in system atic boundary, behaviors of systematic boundary such as projecting and sucking, and deformative movement, t he relationships among systematic boundary, system, and environment, and t.
主要探讨了系统边界面的定义、特征及分类 ,系统边界信息筛 ,抛射和吸纳及变形运动等边界面行为 ,系统边界面与系统、环境间关系 ,以及边界面维度和维度扭曲等。
补充资料:火炸药抛射体撞击感度(projectile impact sensitivity)
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性质:又称火炸药抛射体撞击感度(projectile impact sensitivity)。在枪弹等高速抛射体撞击下,火炸药发生燃烧或爆炸的难易程度。落锤撞击火炸药是低速撞击,抛射体撞击火炸药是高速撞击,后者比前者更能准确评价火炸药在使用过程中的安全性和起爆感度。中国通常采用7.62mm口径的普通枪弹,以25m的射击距离(子弹射击速度为710~725m/s)射击裸露的药柱或药包,观察其是否发生爆炸。以六次试验中发生爆炸的次数表示试样的枪击感度。

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