非洲军团蚂蚁，它们以蚁群战术攻击和啮咬任何潜在的威胁。
African army ants, whiich attack prey in a herd effort and chomp down on any potential threats.
这种战斗可能是以逮捕，驱散或者破坏的形式进行，依赖于当时的情形，但关键是建立一套避免强攻的战术攻击系统。
This engagement might take the form. of arrest, dispersal or destruction, depending on the situation, but the key is to build a tactical system of attack that avoids assault.
克林顿总统再次对美国烟草业进行攻击，指责其使用拖延战术阻止反吸烟立法。
President Clinton has renewed his attacks on the American tobacco industry accusing it of using delaying tactics to block anti-smoking legislation.
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