《工程索引》所报道的文献源于已出版的科技期刊、技术报告、专题论著、会议论文、产品目录和其它信息载体。
The literature covered is found in published journals, technical reports, monographs, conference proceedings, directories and other material.
《工程索引》所报道的文献源于已出版的科技期刊、技术报告、专题论著、会议论文、产品目录和其它信息载体。
The literature covered is found in published journals, technical reports, monographs, conference proceedings, directories and other material.
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