名词
中文翻译：领域
同义词：
['domain', 'scope', 'area']
例句：
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1.The field domain of economics covers a wide range of topics.
经济学的领域涵盖了广泛的主题。
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2.The researcher has identified the field domain of this technology.
研究者已经确定了这项技术的领域域。
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3.The company's field domain is expanding rapidly due to its innovative products.
由于其创新产品，公司的领域域正在迅速扩大。