Traditional Culture Encyclopedia - Traditional virtues - Am I correct in translating this sentence into English? China Wushu is one of the main contents of national sports in China. Chinese Martial Arts

Am I correct in translating this sentence into English? China Wushu is one of the main contents of national sports in China. Chinese Martial Arts

By which is definitely wrong, because it is followed by phrases rather than clauses.

Translation:

China Wushu is one of the main elements of national sports in China.