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取自自然语言并经过规范化处理,能够表达文献主题的最小、最基本的语词作为标识的情报检索语言。又称单元词语言,单元词法,是一种主题检索语言。
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passenger conveyor
passenger flow
passenger flow guidance
passenger flow organization
passenger information service system
passenger information system
passenger liability insurance
passenger railway network
passenger ropeway
passenger ropeway accident
passenger service
passenger ship
passenger statistics
passenger terminal
passenger terminal layout
passenger traffics
passenger train line plan
passenger transfer efficiency
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passenger transportation hub
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passenger transport by water
Passenger transport plan
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/6/21 18:51:07