名詞 ballistics:

1. the trajectory of an object in free flight
   同義詞：ballistic trajectory
2. the science of flight dynamics

1. The science and technology of making and using guided or ballistic missiles.
   導彈學制造和使用導彈或彈道導彈的科學技術

bal.lis.tics

n.(used with a sing. verb)（名詞）（與單數(shù)動詞連用）

The study of the dynamics of projectiles.
彈道學：關于射彈動力學的研究
The study of the flight characteristics of projectiles.
彈道特性：關于射彈飛行特點的研究

The study of the functioning of firearms.
關于對火器運行的研究
The study of the firing, flight, and effects of ammunition.
彈藥學：關于彈藥的發(fā)射、飛行、和效力的研究
adj.（形容詞）
Of, relating to, or engaging in the study of ballistics:
彈道研究的：彈道學研究的與之相關的或從事此行的：
例句：
a ballistics lab; ballistics experts.
彈道學實驗室；彈道學專家

【引伸】
bal.listi.cian