An unusual high speed test was conducted on the Loop Track under the conditions of small radius, big superelevation and large deficiency of superelevation.
环行道的高速试验是在小半径,大超高,大欠超高下进行的,有着其特殊意义。
2
A major deficiency of piezoelectric actuators is that their open-loop control accuracy is seriously limited by hysteresis.