nondispersive ultrasonic delay line

例句：

1. 1. The nondispersive ultrasonic delay line is usedto measure the speed of sound in materials.
   非分散性的超声波延迟线用于测量材料中声速的速度。
2. 2. Thenondispersive nature ofthe material makes it ideal foruse in this application.
   材料的非分散性使其非常适合这种应用。
3. 3. Thenondispersive property ofthe material ensures that it canwithstand high temperatures without degrading.
   材料的非分散性质确保了它能够在高温下保持性能而不降解。