特写：飞行轨迹像花朵在空中绽放

Core Viewpoint - The Tianjin International Helicopter Expo showcased advanced helicopter models, particularly the Z-20T, highlighting the progress in China's military aviation capabilities and the confidence of pilots in executing complex maneuvers [1][2]. Group 1: Helicopter Performance - The Z-20T, a new assault transport helicopter, demonstrated its stability and maneuverability through various aerial stunts during the exhibition [1]. - The Z-10 helicopters performed a synchronized maneuver known as "four machines blooming," showcasing their precision flying at a dangerously close distance of 15 meters [2]. Group 2: Pilot Experience and Development - Pilots like Zhang Bingqian expressed confidence in their skills, attributing their performance to the continuous development of military equipment [2]. - Zhang Bingqian has accumulated over 3,200 flight hours, reflecting the evolution of helicopter capabilities from basic maneuvers to advanced aerial displays [2]. Group 3: Audience Engagement - The event attracted a diverse audience, including students who expressed admiration for the performances and gained insights into aviation technology and military strength [2]. - The commentary during the flight displays emphasized the establishment of a modern air-ground combat system by the Chinese Army Aviation [2].