Related introduction:
"Duo" originated in Xia and Shang Dynasties, and is an organ with a metal frame. The one whose tongue is made of wood is called Mu Duo, and the one whose tongue is made of gold is called Jin Duo. Muduo is a text, which is used to publicize politics and deploy politics; Jin Duo is a military force, used to command the army. Confucius called himself Mu Duo, saying that he was sent by heaven to educate the people. Because Confucius has been engaged in education for many years, "Mu Duo" has since become another name for teachers, and Mu Duo's wooden tongue can be compared to a teacher's "teaching tongue".
Extended data
Related background:
Muduo is a kind of bronze bell, and its tongue is made of wood, not metal like the current clock. Muduo is not a bangzi, but a clock with larger specifications. Used in ancient times when missionary laws were needed. The government issued a new law. Send someone to ring the bell to patrol around to attract everyone's attention, and then call everyone together to announce the decree.
Later, the bell tongue was made of metal and called Jin Duo. Later, Mu Duo was compared to a person who preached a certain theory, ideology or the integration of politics and religion.
Beijing Normal University and its emblem "Mu Zhong" are the symbols of the school. In the buildings of Beijing Normal University and Zhuhai Branch, you can see the logo of Muduo, and Beijing Normal University Zhuhai Branch also has Muduo as an intranet.
Baidu Encyclopedia-Mu Zhong