The show included the presentation of several previously unseen air-launched tactical systems.

这次展览包括几个前所未见的空射型战术系统的代表。

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We tried different tactical systems and we are aware that we did all we could to prepare this match in the best possible way.

我们尝试了不同的战术，我们意识到我们做了我们的全部用最可行的方式去准备今晚的比赛。

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But, then spiking the offensive tactical systems and the world at a high level of volleyball there is no significant difference.

但是，接扣球战术系统的进攻和世界高水平男排不存在显著性差异。

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The company has 1, 500 employees in and around Clifton working on electronic jammers, information systems and tactical communications for all of the military services.

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Agencies of the U.S. Department of Defense and allied military services use the company's battery-powered, hand-launched unmanned aircraft systems to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance and communication.

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And the information systems and technology unit is a leading supplier of tactical communications and cyber-security solutions.

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