名词
中文翻译：选择性门
同义词：
['selective barrier', 'selective filter']
例句：
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1. The selective gate is designedto allow only certain types of particles topass through.
选择性门被设计成只允许某些类型的粒子通过。
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2. Theselective gate is a crucialcomponent in the process of DNAreplication.
选择性门是DNA复制过程中的一个关键组件。
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3. The selective gate was usedto prevent unwanted visitors from entering the restrictedarea.
选择性门被用来阻止不受欢迎的访客进入受限制的区域。