名词
中文翻译：关闭操作
同义词：
['closed procedure', 'closed system例句：1. The surgeon performed a closed operation on the patient.（外科医生对患者进行了一次闭式手术。）']
例句：
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1. The surgeon performed a closed operation on the patient.
外科医生对患者进行了一次闭式手术。
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2.The closed operation was successful and the patient recovered quickly.
这次闭式手术很成功，患者很快就康复了。
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3. In order to save time, some hospitals prefer to perform closed operations instead of open ones.
为了节省时间，一些医院更喜欢进行闭式手术而不是开放手术。