在两个体系进行斗争和科学技术革命展开的条件下,国际经济生活日益复杂化并具有新的数量和质量的规定性。国家间的经济关系形式不断增多,这些关系的水平不断提高,其结构也不断变化。近数十年来,参加国际分工的独立国家的数量大大增加了,现在其总数已达近200个.但是,国际经济交往的关键仍然是其参加者处于不同的历史发展阶段.社会主义国家彼 Under the conditions of the struggle of the two systems and the revolution in science and technology, the international economic life is increasingly complicated and has a new quantity and quality of regulation. The forms of economic relations between countries are constantly increasing. The level of these relations is constantly improving and its structure is constantly changing. In recent decades, the number of independent countries participating in the international division of labor has greatly increased, and now their total number has reached nearly 200. However, the key to international economic exchanges remains that participants are at different historical stages of development. The socialist countries