名词
中文翻译：详细调查
同义词：
['in-depth survey', 'thorough survey']
例句：
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1.The company conducted a detailed survey to identify the root cause of the problem.
公司进行了一次详细的调查，以确定问题的根源。
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2. The government launched a thorough survey to gather data for its upcoming budget proposal.
政府启动了一项彻底的调查，以收集数据为即将到来的预算提案提供依据。
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3. The research team conducted an in-depth survey of the local community to understand their needs and concerns.
研究团队对当地社区进行了深入调查，以了解他们的需求和担忧。