ultrasonic wave test

• 波速

ultrasonic wave test的用法和样例：

例句

1. By sweeping a laser along the pipe to change the local wave speed, physicists might be able to create a horizon.
   将雷射沿著管路扫过，可以改变局部的波速，运用这种方式，物理学家也许可以创造出视界来。
2. The peak of the wave celerity probability distribution appears within the mean velocity region of the two-phase bubbly flow.
   空隙率波的波速概率分布在两相混合流速处出现峰值，向两侧加速递减，与高斯分布接近。