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序号英文主题词中文主题词命中文献数量(篇)
期刊博硕士论文会议论文报纸年鉴成果专利国家标准行业标准标准总计
3098100000000001
3098200000000001915
309832050012164331012090
30984000000000013
3098500000000002945
3098600000000002100
30987000000000076
3098800000000000
30989000000000091
30990000000000093
30991000000000012
3099200000000000
3099300000000000
3099400000000001
3099500000000000
309960000000000140
3099700000000008
30998800317000000100
3099900000000004182
31000000000000014370
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