They hold the high ground, they have high-powered observation equipment and mastery of the air.

他们占据高地，拥有高马力的监测设备以及制空权。

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The ability of striving for and controling the offensive rebounds is an important standard to measure "air mastery"of the players as well as the whole team.

进攻篮板球的拼抢和控制能力是评价一个运动员争夺“制空权”能力的重要指标，也是反映一个球队整体“制空权”对抗实力的标志。

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It quickly established its mastery of the new media ecosystem with a video hoax that showed designer Marc Ecko spraying graffiti on Air Force One, one of the first instances of viral marketing on YouTube, then only a year old.

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