图-144LL飞机计划于4月开始进行为期6个月的飞行试验,目的是推进在下个世纪初对第二代超音速试验台所需技术的研究。3月中旬,图-144LL超音速试验台在茹科夫斯基飞行试验中心推出,它将作为飞行实验室用于获取飞行数据和验证计算机模拟气动、结构和声学性能数据,飞行试验计划将进行32次飞行,此 The Tu-144LL aircraft is scheduled to begin a six-month flight test in April to promote the technology required for second-generation supersonic test benches by the turn of the century. In mid-March, the Tu-144S supersonic test rig, launched at the Zhukovsky Flight Test Center, will be used as a flight laboratory to acquire flight data and validate aerodynamic, structural and acoustic performance data from computer simulations, and the flight test program will be conducted 32 flights, this