声柱是一个汉语词汇，拼音为shēng zhù，基本意思是由多个高、低频扬声器有机地排列成柱状的扬声器组合。
本文从实验和理论方面对声柱谐振时的频率进行了研究，并对声柱谐振时的效率作了理论计算。
In this paper, the resonance frequency of the sound column is investigated both theoretically and experimentally, and the efficiency of the sound column at resonant frequency is also calculated.
四根琴弦的振动通过琴马传送到小提琴的面板，并在通过声柱传回声音回背板，声柱是音箱中一段嵌在面板和背板之间的圆木。
Vibrations from the four strings are transmitted via the bridge to the front of the violin, and on to the back via the sound-post, a length of round wood wedged between front and back inside the box.
那个光头男人匆匆离开，消失在东面的廊柱。 这时可以听到旁边一个小男孩的说话声，“妈妈，那个人掉下了什么东西。”
As the bald man hurried off, disappearing through the east portico, a little boy nearby could be heard saying, “Mommy, that man dropped something.”
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