J - 20知道最近还是非常机密的，所以没有一个官方名称，在西方防务和情报官员及专家中使用J - XX的说法。
The J-20 was until recently so secret that it did not have an official name and was known as the J-XX among Western defense and intelligence officials and experts.
埃及的官方通讯社中东通讯社报导，阿拉伯国家联盟秘书长穆萨说，奥巴马令人精神振奋，埃及的官员也欢迎他6月到访。
Egypt's official news agency, MENA, reported Arab League Secretary-General Amr Moussa said Mr. Obama has inspred a "new spirit" and officials in Egypt also welcomed the June visit.
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