ballistics

名词 ballistics:

1. the trajectory of an object in free flight
   同义词：ballistic trajectory
2. the science of flight dynamics

1. The science and technology of making and using guided or ballistic missiles.
   导弹学制造和使用导弹或弹道导弹的科学技术

bal.lis.tics

n.(used with a sing. verb)（名词）（与单数动词连用）

The study of the dynamics of projectiles.
弹道学：关于射弹动力学的研究
The study of the flight characteristics of projectiles.
弹道特性：关于射弹飞行特点的研究

The study of the functioning of firearms.
关于对火器运行的研究
The study of the firing, flight, and effects of ammunition.
弹药学：关于弹药的发射、飞行、和效力的研究
adj.（形容词）
Of, relating to, or engaging in the study of ballistics:
弹道研究的：弹道学研究的与之相关的或从事此行的：
例句：
a ballistics lab; ballistics experts.
弹道学实验室；弹道学专家

【引伸】
bal.listi.cian