名词
中文翻译：次要领域
同义词：
['supporting field', 'subsidiary field', 'secondary area']
例句：
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1. The secondary field of research is focused on the application of new technologies.
研究的一个次要领域是新技术的应用。
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2. In the secondary field of education, students learn to communicate effectively with others.
在教育的一个次要领域，学生学习如何有效地与他人沟通。
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3.The secondary field of economics deals with the analysis of markets and economic systems.
经济学的一个次要领域涉及市场分析和经济系统分析。