Sing-around method for sound velocity measurement have found wide acceptance because it is simple in circuitry and high in accuracy.
环鸣测量声速法具有电路简单、使用方便、测量精度高等优点，已广泛地应用。
2
In accordance with the technology of ultrasonic nondestructive pressure measurement, a sing-around device was developed for measuring the propagation time of ultrasonic wave.
针对超声波无损压力检测技术，开发了一种采用回振法测量超声波传播时间的装置。
3
Women dance around the swing and sing devotional songs, as men spray coloured water on them.