名词
中文翻译：系统调查
同义词：
['systematic investigation', 'thorough investigation']
例句：
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1.The company conducted a system investigation to identify the root cause of the problem.
公司进行了系统调查，以确定问题的根本原因。
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2.The government launched a systematic investigation into the corruption scandal.
政府启动了对腐败丑闻的系统性调查。
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3. The team conducted a thorough investigation to uncover the truth behind the disappearance of the missing person.
团队进行了彻底的调查，以揭示失踪人员下落的真相。