Combinative defense of offence is much used in basketball games and difficult to master and control.

进攻联防是篮球比赛中经常使用的战术，也是较难掌握和驾驭的战术。

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The core technology of information security lies in attack and defense, that is, attack technology and defense technology, only to master the attack technology in order to achieve better security.

信息安全的核心技术在于“攻防”，即攻击技术和防御技术，只有掌握攻击技术才能更好做到安全防御。

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The ship-ship missile is one of the master weapons to attack surface crafts, the defense penetration ability of the missile is a important guideline to evaluate the missile capability.

舰舰导弹是对水面舰艇攻击的主要武器之一，导弹突防能力是评价导弹性能的重要指标。

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By way of contrast, Floyd Mayweather, the grand master of defense, gets tagged with about 17% of his opponents' shots.

WSJ: Radio City Fight Night

Schmidt is facing Bill Gates, a master of the game, and he is responding to the NetWare 5 threat with a classic defense.

FORBES: Net gains

To recap: Coughlin is the author of an impressive 330-page master's thesis on the subject which was recently accepted by the Defense Intelligence University.

CENTERFORSECURITYPOLICY: The Coughlin affair