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economic information service
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economic information service
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管理学
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economic information service
经济信息服务
以开发利用经济信息资源为核心,信息机构针对用户的经济信息需求,运用现代科学技术,对经济信息进行收集、处理加工,及时地将整序后的经济信息以用户方便的形式传递给用户,并提供信息与信息服务的总称。
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plane of metro line
plane of oscillation
plane of perspectivity
plane of polarization
plane of projection
plane of reference
plane of reflection
plane of refraction
plane of section
plane of similarity
plane of support
plane of symmetry
plane of the sky
plane-parallel atmosphere
plane-parallel motion
plane-parallel motion, laminar motion
plane parallel plate
plane-parallel resonator
plane partition
plane partition conjecture
plane pencil
plane-plane intersection
plane polariscopy
plane polarization
plane polarized light
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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