求翻译：发展中国家发展对外贸易导致外汇收入增加和外国先进技术的引进，它在弥补这些国家资本、促进它们的技术进步中起着重要的作用。是什么意思？

Development of foreign trade in developing countries led to the increase in foreign exchange earnings and the introduction of foreign advanced technology, which make up the capital of these countries, plays an important role in promoting technological progress in

Developing countries led to development of foreign trade increased foreign exchange earnings and foreign advanced technology, it is making up the national capital, promote their progress in technology has played an important role in.

The developing nation development foreign trade causes the foreign exchange earnings increase and the foreign vanguard technology introduction, it in makes up these national capital, promotes in their technology advancement to play the vital role.

The development of foreign trade of developing countries leads to increased foreign exchange earnings and the introduction of foreign advanced technology, its capital from these countries, promote their technological progress plays an important role.

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