The ritsuryō system was a system that ruled ancient Japanese society.

The shape of this chamfered cube is mathematically very interesting.

This is my new work, a chamfered cube.

This chamfered cube is one of the shapes in mathematics, and it has the characteristic that all faces are equal.

In this research, quantitative data analysis plays an important role.

The system of provinces was a part of the ancient political system in Japan.

He studied Gestalt therapy and deepened his self-understanding.

My sister works as a physical therapist.

Could you understand that point?

She was raised as a noble daughter.