名词
中文翻译：Unknown
同义词：
['proficiency', 'expertise', 'professionalism', 'exactness', 'thoroughness']
例句：
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1. She is a highly skilled engineer with over 20 years of experience.
她是一位经验丰富的高级工程师，拥有超过20年的经验。
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2. The researcher conducted an expert analysis of the data to draw accurate conclusions.
这位研究员对数据进行了专家级分析，以得出准确的结论。
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3. The team's work is characterized by its professionalism and dedication to excellence.
该团队的工作以其专业性和对卓越的奉献而著称。