热烈祝贺查尔斯博士荣获中国航空运动协会颁发的无人飞行员机驾驶执照！

热烈祝贺查尔斯博士荣获中国航空运动协会颁发的无人飞行员机驾驶执照！

Warm congratulations to Dr. Charles on winning the unmanned aerial vehicle pilot license issued by the China Aviation Sports Association!