计算了输出脉冲的垂直谱位移，并将其作为刻线夹角的函数进行了分析。
The vertical spectrum displacement in the output pulse is calculated and shown quantitatively as function of the Angle between the grooves.
本文提出当脉冲声源和接收点在同一条垂直于材料表面的直线上时，声脉冲从多孔材料反射的研究。
This paper presents a study of the reflection of sound pulse from porous material in the ease that the impulse sound source and receiver are located on a line perpendicular to the surface of material.
介绍了高速调温烧嘴及脉冲式控温系统在铝锭加热炉上的应用情况，采用了炉顶垂直安装高速烧嘴的形式，取得了满意的加热效。
This paper introduces the application of the flame temperature adjustable high velocity burner and the pulse type system of temperature adjustable in aluminum ingot heating furnace.
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