projectiles造句

These differences are connected with the strong absorption of the composite projectiles.
这些差别与复杂的入射粒子的强烈吸收有关.

Projectiles became more important because cannons could now fire balls over hundreds or yards.
抛射体变得更加重要,因为人们已能用大炮把炮弹射到几百码的距离之外.

Terminal Ballistics deals with the impact of projectiles on a target.
终点弹道学研究的是射弹的弹著作用.

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