名词
中文翻译：Unknown
同义词：
['on-site investigation', 'targeted investigation', 'focused investigation']
例句：
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1. The company conducted a spot investigation to identify the source of the leak.
公司进行了现场调查以确定泄漏的来源。
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2. During the investigation, the detectives discovered a hidden compartment in the wall.
在调查过程中，侦探们发现了墙壁中的一个隐藏隔间。
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3. The team decided to conduct a spot investigation to gather more information about the incident.
团队决定进行现场调查以获取更多关于该事件的信息。