即,Facts on File之内容属于及时性参考资料(Ready-reference sources),但其所附之索引,为「活页式索引。在此特别说明,以供读者参考。
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Ready-reference sources 及时性参考资料
ONLINE REFERENCE SOURCES 网上参考资料
digital reference sources 数字化参考源
network reference sources 网络参考源
The library has quantities of reference sources.
该图书馆藏有大量可供参考的原始资料。
"Magnesium Technology" substantially updates and complements existing reference sources on this key material.
“镁技术”实质上不断改进和补足现有的参考关于这份关键素材的消息。
The technology of real time auto-correction by using multiple reference sources in measuring circuit in resistance transducer is introduced.
介绍了在电阻式传感器测量电路中采用多基准源进行实时自校正的技术。
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