我的课外活动是信息通信俱乐部， 是关于计算机技能的。

My CCA is Infocomm Club and it is about computer skills.

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BAE系统公司将开发一种新型雷达预警接收机原型，该原型能实时识别无线电频率和通信活动。

BAE Systems will develop a new radar warning receiver prototype that can identify radio frequency and communications activity in real time.

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爱因斯坦说：“学习，不断地追求真理和美，是我们能永葆青春的活动范围”(《爱因斯坦通信选》，第62页)。

Einstein said: "Learning, constantly pursuing truth and beauty, is the sphere of activity which can always keep our youthful vitality" (Selected Communication of Einstein, page 62).

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