Four Heavenly Guardians at the entrance to a Buddhism temple;Four Devarajas

The Big Four s Competitive Strategy;

“四大”在中国的竞争策略

On "ecological civilization" and "four civilizations";

论“生态文明”与“四大文明”

The structure and equilibrium of the four main acids have great effects on liquor quality.

四大酸的结构和平衡性对酒质影响很大。

Different proportioning of four main esters finally formes liquor of.

酒的香主要由酯决定,四大酯的比例不同而形成了各具独特风格的众多香型的酒。