名词
中文翻译：单程系统
同义词：
['single-pass', 'single-pass system', 'single-pass loop']
例句：
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1.The train uses a single-pass system to move passengers between stations.
火车使用单程系统在车站之间运送乘客。
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2.The company has implemented a single-pass system for its employees to access the internet.
该公司已经实施了单程系统，让员工能够访问互联网。
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3. The new airport has a single-pass system that allows passengers to check in and board their flights with just one visit.
新机场有一个单程系统，允许乘客仅一次访问就完成登机手续和办理登机牌。