Normalization of the database is important to avoid duplication of data.

His behavior was thought to be an anomaly.

His behavior is completely abnormal.

He installed a new printing machine.

A virtual machine is installed on my computer.

I am majoring in machine learning.

His movements were mechanical, as if devoid of emotion.

My major is mechanical engineering.

This sentence was translated by machine translation.

A simple machine is a basic concept in physics.