Linear programming is a part of operations research and is used to find the optimal solution.

He is undergoing training in cardiopulmonary resuscitation.

He is an expert in international law.

Binomial nomenclature plays an important role in biological taxonomy.

He drew a circle using geometric construction.

Electroporation is a biotechnology technique that creates temporary holes in the cell membrane to incorporate substances into the cell.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

His long talk is just like 'a hundred days of sermonizing without a fart.'

The Empire of Japan, written as 大日本帝國 in Kyūjitai, was a nation that existed from 1868 to 1945.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.