名词
中文翻译：焦点区域
同义词：
['focus', 'core', 'center例句：1. The research team focused on the problem of pollution in the focal zone.（研究团队专注于污染问题。）']
例句：
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1. The research team focused on the problem of pollution in the focal zone.
研究团队专注于污染问题。
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2. The city's economic development is centered around the focal zone.
城市的经济发展集中在中心区域。
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3. The scientists are studying the effects of radiation in the focal zone.
科学家们正在研究辐射在焦点区域的影响。