RD&A：研究、开发和收购

在军事及大型机构领域中，“Research, Development and Acquisition”常被缩写为RD&A，以简化书面与口头表达。该术语中文译为“研究、开发和收购”，指代从技术研发到装备采购的全流程管理活动，广泛应用于国防、科技与系统工程等专业场景。

This research can contribute to the development of the Prototype Theory and also offer implications for L2 language vocabulary teaching and acquisition.
本研究对于原型理论的发展以及第二语言的习得和教学有一定的启示作用。
In recent years, theoretical and empirical research has suggested that incorporation of form focused instruction into communicative language teaching can accelerate the development of interlanguage system and thereby facilitate language acquisition.
近年来，一些理论和实践研究表明，在交际课堂中融入形式教学能够有效促进学习者中介语系统的发展，确保习得的效果。
In this background, theoretical research on MNCs are turning to " development mechanism " from its traditional " formation mechanism," and the study on the operating advantages also need to transfer from " advantage exploitation " to " advantage acquisition ".
在这种背景下，跨国公司理论研究的重点也正从传统的存在机制转向发展机制，对经营优势的研究也需要从关注优势利用转向关注优势获取。

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