从理论到实践是２０世纪社会主义发展的不争事实 ;将马克思主义基本原理与本国国情和时代特征相结合 ,是２０世纪社会主义事业兴衰成败的历史昭示。２０世纪社会主义发展历程表明 :坚持实践的观点 ,一切从实际出发 ,把马克思主义基本原理与各国国情相结合 ,才能找到符合本国国? From theory to practice is an indisputable fact of socialist development in the 20th century. Combining the basic tenets of Marxism with the characteristics of our own national conditions and the times is a historical manifestation of the success or failure of the socialist cause in the 20th century. The development course of socialism in the 20th century shows that: from a practical point of view, everything can be found in line with its own reality by combining the basic tenets of Marxism with the national conditions of various countries.