abbr. 英国皇家飞行俱乐部（Royal Aero Club）；英国皇家汽车俱乐部（Royal Automobile Club）；美国研究分析公司（Research Analysis Corporation）；加拿大铁路协会（Railway Association of Canada）；雷达进场控制（Radar Approach Control）
详细用法及例句
1.
Your team is uniquely qualified because as reacquired government assets, you can be held to strict confidentiality, whereas private rac contractors cannot.
