名词
中文翻译：Unknown
同义词：
['restrictive gate', 'restricted door', 'restricted portal']
例句：
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1. The restricted gate is closed to all but authorized personnel.
只有授权人员可以进入这个限制性大门。
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2. The restricted gate was designed to prevent unauthorized access.
这个限制性大门被设计来防止未经授权的进入。
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3. The restricted gate is a security measure that only allows authorized personnel to enter the area.
限制性大门是一个安全措施，只允许授权人员进入该区域。