名词
中文翻译：Unknown
同义词：
['comprehensive survey', 'comprehensive study', 'comprehensive research']
例句：
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1. The citygovernment conducted an omnibus survey to gather data on the public's opinions on various issues.
市政府进行了一项综合调查，以收集公众对各种问题的意见。
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2.The professor organized a omnibus survey to understand students' learning difficulties.
教授组织了一次全面调查，以了解学生的学习困难。
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3. The company conducted an omnibus survey to identify areas for improvement in their product line.
公司进行了一次全面调查，以确定其产品线中需要改进的领域。