It's in several layers, and it's a composite armor.

而且它有好几层，就像是一种复合护甲。

The Abrams tanks are renowned as " hard-to-kill" battle machines due to their sophisticated composite armor, which provides formidable resistance against hostile fire.

艾布拉姆斯坦克因其复杂的复合装甲而被誉为“难以杀死” 的战斗机器，可对敌方火力提供强大的抵抗力。

Capable of penetrating several inches of composite armor, the XM109 can stop a lightly armored vehicle such as an infantry fighting vehicle out to a range of 1.2 miles (2km).

XM109 能够穿透几英寸的复合装甲，可以在 1. 2 英里（2 公里）的范围内阻止轻型装甲车辆， 例如步兵战车。