名词
中文翻译：详细调查
同义词：
['in-depth survey', 'comprehensive survey', 'thorough investigation']
例句：
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1. The companyconducted a detailed survey of the market to identify potential opportunities.
该公司对市场进行了详细调查，以识别潜在的机会。
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2.The government launched an in-depth survey to understand public opinion on the proposed policy changes.
政府启动了一项深入调查，以了解公众对拟议的政策变更的看法。
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3. The research team conducted a thorough investigation into the cause of the fire.
研究小组对火灾的原因进行了深入调查。