名词
中文翻译：Unknown
同义词：
['observation', 'inspection', 'survey', 'investigation', 'study']
例句：
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1. The government is conducting a settlement observation on the new immigration policy.
政府正在对新的移民政策进行安置观察。
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2. The scientist conducted an observation to study the effects of the new treatment.
科学家进行了观察，以研究新治疗的效果。
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3. The company conducted a survey to gather feedback from its customers.
公司进行了调查，以收集客户反馈。