introduction
特殊用法foreign capital introduction1.■引进外资gas sample introduction1.■气体样品进样nominative introduction1.■主格引入[转换]partitive introduction1.■部分格导入(规则)sample introduction1.■进样introduction of business relations1.■介绍业务关系introduction to education1.■教育导论introduction of foreign capital1.■输入外资, 引进外资introduction of foreign technology1.■引进外国技术