名词
中文翻译：Unknown
同义词：
['serious observation', 'serious inspection', 'meticulous examination']
例句：
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1. The doctor conducted a serious observation of the patient's condition before making any treatment decisions.
医生在做出任何治疗决定之前，对病人的状况进行了认真的观察。
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2.Before starting the project, we must conduct a serious inspection to ensure all safety measures are in place.
在开始这个项目之前，我们必须进行一次认真的检查，以确保所有安全措施都已到位。
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3.The scientist conducted a meticulous examination of the sample to determine its composition and properties.
科学家对样本进行了仔细的检查，以确定其成分和性质。