When was the TGV changed into electric trains? (Read the text and answer the question)

China's high-speed passenger rail network is similar to French TGV or Japanese Bullet Train.

The name of the France High Speed Rail service is TGV (Train a Gradne Vitesse).

Yes, there are similarities among these. Each of the three is the highest speedy train in the respective countries. Besides, all the three are wonderful achievements of modern communieation technology.

The usual top speed of China's Conventional quick trains is 300 km/h.

China's High Speed Rail service is like French TGV or Japanese Bullet Truins.

In Japan in the Bullet Train started operation 1964.