1、Design of Active Network Security Defence System Model
主動式網(wǎng)絡(luò)安全防御系統(tǒng)模型設(shè)計

2、The Conflict of Attack and Defence System Between TBM and ATBM
地地彈道導(dǎo)彈武器系統(tǒng)攻防體系對抗

3、A strong defence system offers protection from sudden attack by the enemy.
堅固的防御系統(tǒng)提供保護(hù)以防備敵人的突襲。