These two software have complete interchangeability.

Cats are digitigrade animals, they walk on their toes.

He learned about unguligradism in his zoology class.

His research mainly focuses on the plantigradism of mammals.

She has polycystic ovary syndrome.

He is writing a thesis on monotheism.

Sufficient caution is necessary when handling radioactive materials.

UNESCO is an international organization that promotes the development of education, science, and culture around the world.

General relativity is a theory of physics proposed by Einstein.

Special relativity is one of the fundamental theories of physics.