1)poop,尖锐脉冲2)sharp pulse signal of sound,尖锐声脉冲3)wiegand-type sharp voltage pylses,Wiegand型尖锐脉冲4)sharp pulse,锐脉冲5)poop,舵楼甲板;船尾楼;尖锐脉冲6)peaking,剧烈增加，最大峰值，脉冲尖锐化
用法和例句
Using travelling sharp pulse signal of sound,the speed of sound in the air can be measured directly by formula .
